Python generate random digit number repeating digitsKazi

I'm seeking an experienced marketer to connect our coir doormats with the US and European markets. Our target audience is primarily commercial businesses, though we're also open to reaching homeowners. Key Responsibilities: - Generate high-quality leads in the home textiles, floor coverings, and home decor shop industries. - Utilize trade shows and local directories to effectively market our products. Ideal Skills and Experience: - Proven track record in B2B marketing targeting commercial businesses. - Strong connections in the home textiles, floor coverings, or home decor industries. - Experience with trade show setups and local directory listings. - Knowledge of the USA and European markets would be a plus. Please get in touch if you can help us expand our reach and...

I'm looking for a proficient NLP programmer to help me implement a Spell Checki...The ideal candidate should have expertise in NLP and should be comfortable working with the following requirements: - Expertise in NLP: Proficiency with BERT model in particular - Programming Language: Comfortable working with Python - Accuracy Expectation: The spell checking algorithm should provide balanced accuracy and performance, particularly for large texts. The project's main goal is to deliver an efficient and effective spell checker that can handle large datasets. This will require a nuanced understanding of NLP, particularly the BERT model, as well as Python programming skills. The balance between accuracy and performance is crucial, as the spell checking algorithm should ...

Timeseries forecasting with Python

...media management. Key Deliverables: - Develop a professional website with an online store, product catalogue, about us page, and contact forms. - Implement a comprehensive SEO strategy to increase our website's visibility and drive traffic. - Create engaging, relevant, and consistent content for our website and social media. - Execute a digital marketing campaign to increase website traffic, generate leads and sales, and improve our brand awareness. Ideal Skills: - Experience in web development, especially in ecommerce. - Proven track record in SEO, content creation, and social media management. - Demonstrated success in digital marketing campaigns. - Understanding of local and international market dynamics. - Knowledge of the marble handicrafts industry is a plus. If yo...

...media management. Key Deliverables: - Develop a professional website with an online store, product catalogue, about us page, and contact forms. - Implement a comprehensive SEO strategy to increase our website's visibility and drive traffic. - Create engaging, relevant, and consistent content for our website and social media. - Execute a digital marketing campaign to increase website traffic, generate leads and sales, and improve our brand awareness. Ideal Skills: - Experience in web development, especially in ecommerce. - Proven track record in SEO, content creation, and social media management. - Demonstrated success in digital marketing campaigns. - Understanding of local and international market dynamics. - Knowledge of the marble handicrafts industry is a plus. If yo...

I need a Junior Python Coder who may teach the kids I shall prefer the Female Coders I need work for long term

In need of a savvy social media manager to handle my business accounts on Facebook, Instagram, and Twitter. With your expert handling and unique strategies, the aim is to ideally: - Increase brand awareness - Drive traffic to our website - Generate leads Our targeted audience falls in the age range of 25 to 70, so your content should be curated to engage these various demographics effectually. Skills and Experience: - Proven experience in managing business accounts on Facebook, Instagram, and Twitter - Strong knowledge of current social media trends and proven strategies to increase brand awareness - Exceptional in lead generation and driving website traffic - Experience in target audience analysis and engagement - Excellent content creation and curation skills.

...looking to launch a Google and Meta Ads campaign, with the primary objective of generating more leads and sales for my business. The focus will be on a nationwide scale, giving our campaign a wide reach across the country. Here is what I specifically need for this project: - Ad Campaign Development: Coming up with effective Google and Meta ads that specifically target a certain age group to generate leads and sales. You'll need to craft compelling ad copies that can attract and engage this demographic. - Ad Campaign Management: It's not just about creating the ads, but also about managing them. The ideal freelancer should have excellent monitoring skills to ensure our ads perform optimally, making necessary tweaks and adjustments on the go. Skills and Experience: ...

I'm looking for a capable and experienced cold caller to generate leads in the retail sector. Key Responsibilities: - Reach out to business owners and decision makers within the retail industry. - Introduce and promote my employee training services in a persuasive and professional manner. Ideal Skills and Experience: - Proven experience in lead generation and cold calling. - Strong understanding of the retail industry. - Expert communication and negotiation skills. - Previous success in promoting employee training or similar services. $10 for each qualified lead

I started building a website (it is a chatbot) and I just need a few elements to finish up, but cannot seem to get them to work. The code should: use a backend API call to generate recommendations for a user-interface populate the interface with these recommendations in a nice way allow the user to drag and drop recommendations into a basic time-line interface allow the user to switch to the next page when the interaction is done and some more things that can be discussed in person.

I'm looking for a professional who can help me generate contact information (name, email, and phone) for leads suitable for my direct email marketing campaign. Key Responsibilities: - Develop a robust strategy to identify and collate data from various sources. - Ensure the data is accurate and up-to-date. - Organize and present the data in an Excel spreadsheet format. Ideal Skills: - Experience in sales lead generation. - Proficiency in using data collection tools. - Strong analytical and organization skills. - Knowledge of email marketing best practices. Experience in direct email marketing or a CRM system would be a bonus. The successful candidate will be meticulous and detailed-oriented, with the ability to deliver high-quality, targeted leads to support my marketing ef...

I'm looking for an experienced sales and marketing professional who can help us with lead generation in the technology sector, specifically targeting businesses (B2B). Key Responsibilities: - Generate quality leads within the technology industry - Implement effective strategies to engage and convert B2B prospects into clients - Develop a strong understanding of our product to effectively communicate its value to potential clients Ideal Candidate: - Proven track record in tech sales and lead generation - Excellent communication and negotiation skills - In-depth knowledge of B2B sales strategies - Familiarity with the technology sector is a plus This is a great opportunity to work with a dynamic team in a fast-paced industry. If you have the expertise and drive to help us gro...

I am looking for someone to take screenshots of tracking numbers, which will be made available for you to access through a document upload. Ideal Freelancer: - Proficient in navigating and using computer applications - Proficient in taking high quality screenshots - Good attention to detail The screenshots should be saved in the JPEG format.

I'm in need of a landing page for my plumbing business. The primary goal of this page is to generate leads. I'd also like to integrate the page with my social media platforms, including Facebook, Twitter, and Instagram. Key Requirements: - The landing page must be designed to effectively capture visitor information, particularly: - Names and contact details - Location and service requirements - Specific plumbing issues In responding, please send examples of prior experience with plumbing ot related businesses. Ideal Skills: - Graphic design - Web development - Social media integration - User experience (UX) design - SEO knowledge (to optimize for lead generation) Experience in designing landing pages for service-oriented businesses is a plus. Excellent comm...

We ...firmware becomes corrupted. Possibly related to SPI DMA interrupts or SAI DMA interrupts? - Upload patch to flash as startup: the flash memory in the STM32 is divided in basic firmware implementing all general functions and communication, and a patch memory area that to which data can be uploaded and overwritten on the fly, consisting of a specific audio program telling the basic firmware how to generate sound or process incoming audio. "Upload patch to flash as startup" feature does not work on the synced STM32: it crashes and the desired data is not written to the patch memory area of the STM32. The time for finishing this case is not critical. Also, other gigs regarding this firmware are likely to follow, like STM32 model upgrade, RTOS upgrade, general performan...

Help with repetitive data entry tasks. As a potential programmer, this project involves creating a local program capable of extracting a single line of data with multiple fields from a Google Sheet and transferring it to 10+ different multi-page website forms that require unique login information. Additionally, the program should generate PDF documents on the target websites based on the transferred data and save them with named files corresponding to the original Google Sheet. It is crucial to incorporate error handling, data validation, mapping, and security measures into the program. If you are interested in working on this project, please provide details of your relevant experience and approach for ensuring its successful completion. The program must be compatible with the MAC...

I'm looking for ...looking for an experienced programmer to assist with the design and development of a Windows Remote Access Trojan (RAT). - SPECIFIC FUNCTIONALITY: The RAT should be specifically designed for system control, enabling legitimate access and manipulation of systems when necessary. - DEVELOPMENT SKILLS REQUIRED: A comprehensive understanding of Windows OS, solid coding skills (particularly in C++ & Python), and a deep familiarity with system's internals and protocols are necessary. - SECURITY ASPECTS: The freelancer should also possess a strong understanding of security practices to ensure our software is robust and secure against external threats. Please note, that this is strictly for ethical, white-hat purposes, including penetration testing and s...

Hello everyone! I'm looking for a Python freelancer/developer who can complete my code. Topics to know crypto/api/websocket/solana. If anyone wants to offer their service please contact me for more informations

I'm looking for a professional lead generator who can provide me with B2B leads in the technology industry. These leads should include basic contact information. Key Requirements: - Generate high-quality B2B technology leads - Provide basic contact information for each lead, ensuring it's accurate and up-to-date Ideal Freelancer: - Experience in lead generation in the B2B space, especially in the technology sector - Proficiency in sourcing and verifying leads, ensuring the data is accurate - Excellent understanding of the technology industry and its key players Please include in your proposal your approach to lead generation, your experience in the technology sector, and any relevant past projects.

I'm in need of a Python developer to create a script that will convert data from a Google Sheet into individual text files. Key Requirements: - Data Handling: You should have experience in handling data from Google Sheets, and be able to efficiently transfer it to text files. - Unique ID Generation: The script should include a mechanism for generating a unique ID for each text file. This ID should be randomly generated. - Custom Header or Footer: Each text file should have a custom header or footer. Ideal Skills: - Proficiency in Python - Experience with Google Sheets API - Strong understanding of data handling and file creation - Knowledge of random ID generation - Ability to add custom header or footer to files

I'm looking for a proficient social media marketer who can create an effective Instagram/Facebook ad campaign targeting young adults. The primary goal of this campaign is to generate leads for my cellphone sales. The ad copy should have a professional tone to appeal to the target audience. Key Responsibilities: - Design and execute an ad campaign on Instagram and Facebook - Craft ad copies that are professional and engaging - Strategize on how to effectively target young adults - Continuously monitor and optimize the campaign for better results The ideal candidate should have: - Proven experience in creating successful Instagram and Facebook ad campaigns - A good understanding of the young adult demographic - Excellent copywriting skills and the ability to adapt tone to ...

This project needs a skilled professional who is highly efficient with dbt, Databricks, Snowflake, Google Cloud Platform (GCP), Python programming, and SQL database management. Responsibilities: - Execute data transformation tasks using dbt - Process and analyze data using Databricks - Handle data storage and querying on Snowflake - Manage cloud platform setup and tasks on GCP - Implement Python programming for data manipulation - Write and manage SQL queries and database Ideal Skills and Experience: - Prior experience in the same field - Intermediate level expertise in dbt data transformation - Knowledge of Python and SQL - Understanding of cloud architectures, particularly Google Cloud Platform - Familiarity with Snowflake and Databricks Applicants with su...

I need an experienced lead generation specialist to help me generate qualified leads for a range of local services businesses in my area. We will be working alongside several local businesses across the United States and Canada to create a marketing strategy driving qualified leads. Key Project Details: - Service Types: The leads need to be generated for businesses offering services like plumbing, electrician, roofing, cleaning, landscaping, painting, and handyman services. - Target Audience: I'm looking to target both homeowners and business owners. - Lead Delivery: I prefer to receive the leads by email or phone. Ideal Skills and Experience: - Proven track record in lead generation, particularly in the mentioned service sectors. - Strong understanding of the local market...

...of previous inventory management system projects. - Comprehensive understanding of product tracking, stock management, and sales reporting. - Ability to create a system that can potentially be integrated with other software in the future. - UI/UX design experience is a plus, to ensure the system is user-friendly for all levels of staff. Looking forward to your proposals. The developer can add random shoe pictures and brand name...

I'm looking for a skilled developer to create a chat responder for WhatsApp. Key Features: - **Multilingual Support**: The responder should be able to handle multiple languages. - **Varied Response Types**: It should generate predefined text responses and also dynamic responses based on user input. The ideal candidate for this project should: - Have experience working with chatbot development on various platforms, particularly WhatsApp. - Be proficient in programming languages that support dynamic text generation. - Be able to implement multilingual support effectively.

I have a script that has minor issue. see attached specs budget $50 must finish within 1 day of selection

...our website's search engine rankings so we can drive more organic traffic and generate leads across all age groups effectively. - Email Marketing: Design and execute email campaigns that resonate with our audience and drive them to our website. - Website Design: Work on our website to make it more user-friendly, visually appealing, and optimized for SEO. The ideal candidate should have: - Proven experience in handling multi-faceted digital marketing campaigns - Solid understanding of SEO best practices - Exceptional social media marketing skills - Proficiency in email marketing - Ability to work on website design and optimization The main goals are to increase brand awareness, drive website traffic, and generate leads. I believe a holistic digital marketing approach...

I'm looking for a Python expert to help me with some specific tasks. The tasks are varied and I will provide more details upon chatting with interested freelancers. Ideal skills and experience: - Proficient in Python - Experience in data analysis, web scraping, and automation - Able to understand and tackle various Python tasks efficiently - Good communication skills for explaining concepts and discussing project details. - Flexible and able to adapt to changing requirements Please note that due to the nature of this project, I can only provide specific details once we have a direct discussion.

We have an existing platform that fetches top news headlines based on interest and uses GPT in order to compile them into a headline and send via SMS. The current bot is a selenium and existing panel is a basic Django admin. These are the new revamps that I'm looking for Scraper Fix: Need scraper fixed so it utilizes a blend of IP address locational data to find content that interests, and is more centered on things United States people would enjoy reading about. The current texts sometimes show Indian news that is out of context. So need a revamp of the news finding system in order to actually find meaningful arcticles and headlines. Right now it shows nothing that would be at the top of google news with a quick glance. Also would be nice to integrate twitter news into this someway...

I need to update my website contact information on Hostinger. This involves changing the WhatsApp number displayed on the site and optimization in the hosting. Key requirements: - Replace current WhatsApp contact with a new number - Ensure the update reflects on website in a timely manner Ideal Skills: - Proficiency in managing and updating contact information on hosting platforms - Previous experience with Hostinger is a plus - Attention to detail to make sure the update is correctly reflected on the website I'm looking for someone who can carry out this task quickly and accurately. Please ensure you have the necessary skills and experience before bidding.

I'm looking for an experienced Python developer to critically analyze and enhance the efficiency of an existing Python code that I've been using for data analysis. The main areas to be addressed are: 1. Performance Enhancement: - Faster execution time - Ability to deliver more accurate results 2. User Flow Improvement: - Enhanced user interface for better interaction - Smoother transitions between functions - Clearer error messages to ease the debugging process 3. Additional Capability: - Incorporate built-in data visualization features to the code. Ideal skills and experience for this job include advanced Python programming, proficiency in data analysis and visualization libraries, and a solid understanding of user interface design prin...

I have an existing Excel VBA project that interfaces with AutoCAD 2020. I'm looking for an experienced VBA developer to update the current functionality. Key Requirements: - This project involves updating an existing Excel VBA tool that works with AutoCAD 2020. The tool is currently used to generate data in Excel extracted in AutoCAD drawings what can be easy changed and send back to the relevant Drawings. You will be required to maintain the current functionality while also enhancing its capabilities. - The existing tool is aimed at automating the process of generating Excel data from AutoCAD drawings based on. The updated version should be user-friendly, and should ideally also allow for some form of automation of repetitive tasks within AutoCAD itself. - You should be fam...

I'm looking for a content creator who can help me elevate my Career Coach brand on Instagram and LinkedIn. The primary goal is to increase brand awareness, generate leads, and provide valuable information to my target audience of job seekers and professionals looking for career advancement. Key project details and expectations: - Creating engaging text-based posts, image-based posts, and video-based posts for both Instagram and LinkedIn. - The content should be tailored to resonate with job seekers and professionals seeking career advancement, and should be informative, inspiring, and visually appealing to drive engagement. - The posts will aim to increase my brand's visibility, help in capturing leads, and position me as a valuable resource in the Career Coach domain. ...

Precisamos de Empresa com CNPJ ativo para tradução de Código em R para Python (primeiro módulo), O projeto dever ter um ambiente virtual protegido contra vazamento de dados e que deverá ser disponibilizado para o contratante e dois programadores graduados dedicados. Prazo de conclusão: 2 meses. A tradução de 200 funções em R para Python deve obedecer as boas praticas de programação, garantir portabilidade de código para diversos ambientes e garantir a o funcionamento correto do mesmo, possuir testes unitários e o desenvolvimento do software deve ser acompanhado semanalmente por um membro de nossa equipe. O projeto deve ser feito com sigilo total e as devidas precauç&otild...

I'm in need of a talented professional who can create digital products for my travel and lifestyle platform. The goal is to enhance the user experience and generate revenue through a mobile app, e-commerce store, and effective social media integration. Key tasks and requirements include: - **Mobile App Development**: The primary focus of the app should be geared towards revenue generation, so experience in creating engaging monetizable features is crucial. - **E-commerce Store Creation**: The e-commerce platform needs to be user-friendly and optimized for sales. Key features like product customization, user reviews and ratings, and a secure payment gateway are a priority. - **Social Media Integration**: Seamless integration with popular social media platforms is a must to am...

...primary goal is to develop an Excel file that will be used to generate various reports. Ideal Skills and Experiences: - Proficient in Excel data analysis and manipulation - Experienced in creating advanced formulas and functions - Able to implement macro programming - Adept in generating insightful reports from complex data Our goal is to provide you with an exportable dashboard in Excel, a tool that will efficiently display opportunity details per property and provide a dedicated area for your notes. Opportunities that meet the threshold should display the value. The dashboard should be sortable and provide averages and total opportunities by Owner. Examples: Owner/Property/Mortgage/Equity/Appraisal/Mortgage/Ownership/Number of opportunities Jesse James / 1121 Bloor ...

Tafadhali Jisajili ama Ingia ili kuona maelezo.

Hi, I have built a SCARA robot-arm, but need someone to help me to arrange electronics (RPI. ESP32, OPI) and software for it. 3 if its axes are driven by closed-loop stepper motors, each...space where is will pickup or deliver a small plastic containers. Pickup will have its own standard travel path and deliver will have it own as well. The differences is how it hooks into the container and unhooks it. So 2 slightly different paths, and 34 fixed "end points" I prefer to hire per hour as this project can grow. Lowest bid wins as this is a poor startup project. Please don't us AI to generate your reply, but write me a personal reply and let me know your rough ideas and thoughts of how this can be archived. Start your reply with "Ahloa PEter" to confirm that ...

Your assignment in this project will be to design and train a neural network to perform the reconstruction of subsampled images. We will supply you with a codebase that handles data loading. Each data sample you receive from our dataloaders will be a batch of MR images in frequency domain ˜x. You will implement a model which takes these image batches, subsamples them according to a random binary maskM(with code we give you) to receive the subsampled version M(˜x) = ˜xsubsampled, converts the data to xsubsampled (in image domain) and performs reconstruction using a model mθ to receive mθ(xsubsampled) = xreconst. The fully-acquired target image x is also provided by the dataloaders. A naive, vanilla reconstruction model would be provided as reference. You...

...Goals: - I have three main objectives for this expansion: 1. Increase Market Share: Your expertise in market analysis and penetration strategies will help me gain a foothold in the Indian market. 2. Build Brand Reputation: Your ability to craft and implement effective branding and reputation management strategies will be key in establishing my business as a trusted cybersecurity provider. 3. Generate Revenue Streams: Your proven ability to drive revenue growth and identify opportunities for monetization will help me ensure the success of this expansion. Ideal Skills: - Experience in cybersecurity services, particularly network security, data protection, and vulnerability assessment - Knowledge of the Indian market, particularly SMEs and government organizations - Proven tr...

I'm in need of a web security expert with comprehensive knowledge in Secure Coding Practices. Ideally, you'll have: - Proficient experience in Python, Java, or C++ - Look for a programmer, web developer, or cybersecurity person who has experience in authenticating accounts or experience using Burp Suite tools.

...batch of SD video cards. This program will undertake a couple of key tasks: - Image Classification - Object Detection In terms of output, I require the processed videos to generate a Metadata file, which ideally is formatted into an Excel or CSV file. This data should include details such as date, time, classification, and direction. While I do have an Azure account for hosting and I am comfortable with it, I am also open to suggestions on which programming language would be the best fit for this project. The ideal freelancer for this task should possess the following skills and experience: - Proficiency in Python, C++, or Java - Familiarity with Microsoft Azure or similar - Experience in image classification and object detection - Ability to create Metadata files ...

I am in need of a data mining expert proficient in Python, machine learning, and Selenium to facilitate a data mining project. If you are interested, so there would be 2 contract fix rate $50/country flow, and $3-5/hr for code's maintainance. Depends on your profile’s experience. $5/script for easier works (like scrap-data transferring between GS&SQL), Purpose of the project: The primary objective is to extract valuable information from a large set of data. The specific type of data to be mined will be shared with the successful candidate. - Skills and Experience: - Proficient in Python - Hands-on experience with Selenium - Thorough understanding of machine learning algorithms - Experience in handling large sets of data - Strong knowled...

I'm in need of a skilled social media content creator who can help me with a diverse set of tasks this for our new service simpelweb.be. The ideal candidate should have substantial experience in developing varied content for social media platforms, particularly for Facebook, Instagram, Snapchat, and TikTok. The main goal of this project is to generate leads for my business. Key Responsibilities: - Create engaging images and videos specifically tailored for Facebook, Instagram, Snapchat, and TikTok - Ensure content is aligned with the brand and is consistent with established guidelines - Collaborate with the marketing team to brainstorm and develop content strategies - Adapt content to the different platforms and their unique requirements and audiences - Monitor and analyze th...

...following parameters: the degree sequence; the number of components; bipartiteness; the eccentricity of vertices (within the components) planarity; vertices colours (consecutive natural numbers from 1) obtained using algorithms: greedy (the vertex order according to its number) LF method (ties are solved by the vertex number) SLF method (ties are solved by highest vertex degree, and if there is still a tie choose the vertex with the lowest number) the number of different C4 subgraphs the number of the graph complement's edges Input In the first line there's a number k of graphs. The following lines contain k graph data sets. A single data set contains a number n - the graph order - and n lists of neighbours for each ve...

Are you a proactive, results-driven individual with a talent for finding and securing high-quality leads? Do you excel in connecting with potential clients and scheduling meetings? If so, we want you to join our dynamic marketing agency team! Responsibilities: Identify and generate leads through various channels, including online research, social media, and industry events. Qualify leads to ensure they meet our target client criteria. Reach out to potential clients via email, phone calls, and social media to introduce our marketing services. Schedule meetings between qualified leads and our team. Maintain accurate records of leads and interactions in our CRM system. Collaborate with our marketing and sales teams to develop effective lead generation strategies. Requirements: Prove...

I'm looking for a custom add-on for Perfex CRM. The add-on shall generate a graph that can be filtered by personnel and date. Key requirements include: - Display data: The graph should show the number of opportunities. - Chart style: The preferred style is a line chart. - Filtering: The graph should be filtered based on selected personnel and date ranges. Ideal skills for this project include familiarity with Perfex CRM, strong PHP and MySQL experience, as well as an understanding of charting libraries for graph representation. A professional who can work efficiently and deliver a user-friendly, visually appealing solution will be highly appreciated. There is a ready-made page similar to our needs in Perfex CRM. I just want it to be converted into a plugin with minor c...

Estoy buscando un desarrollador freelance con habilidades y experiencia en tecnología OCR, programación en Python, Flask, Visual Code Editor, procesamiento de imágenes y aprendizaje automático, específicamente con el modelo RoBERTa, para desarrollar un sistema sofisticado de procesamiento de documentos. Este sistema está diseñado para manejar tareas complejas que incluyen la conversión de documentos PDF a imágenes, la extracción de texto mediante OCR y el análisis detallado de la posición y el diseño del texto extraído. Además, se integrará RoBERTa para mejorar el procesamiento y análisis del texto, permitiendo una comprensión más profunda y la capacid...

I'm looking for a freelancer with expertise in integrating a Hikvision face recognition attendance device with Odoo. Key Requirements: - Integration of a face recognition attendance device from Hikvisi...looking for a freelancer with expertise in integrating a Hikvision face recognition attendance device with Odoo. Key Requirements: - Integration of a face recognition attendance device from Hikvision with Odoo 17 - Real-time attendance tracking - Experience in integrating Odoo with hardware devices Ideal Skills: - Proven experience in Hikvision device integration - Proficient in Odoo 17 and Python - Strong understanding of attendance tracking and payroll systems. Please note, we are a small organization with less than 50 employees. So the solution should be scalable and ...

...seeking an experienced Python developer who can help me with a project involving parsing a set of mixed data structures from text files. The data is not overly complex, but it does contain a variety of structures. The size of the files is less than 1 GB. Your responsibilities will predominantly include: - Developing a Python script to parse the text data - Converting the parsed data into JSON format Ideal skills for this task include: - Strong Python programming skills - Experience in parsing text data - Background in working with JSON data - Ability to handle mixed data structures - Understanding of efficient file handling methods, for processing less than 1GB of data If you have a proven track record in similar projects and can showcase a deep understanding of ...