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I have a small CSV file that needs a quick clean-up using nothing more than the Python standard library. The task is to write a single, well-commented .py script that • reads the original CSV, • applies a handful of common cleaning actions (duplicate removal, simple missing-value handling, trimming stray whitespace, and normalising line endings), all driven by clear function calls or flags so I can switch steps on or off later, and • writes the result to a new file while preserving the original column order. Please keep external dependencies out of the solution—csv, re, datetime or similar built-ins are fine, but no pandas or third-party packages. A short README or docstring showing command-line usage is all the documentation I need. Acceptance: running “python [login to view URL] [login to view URL] [login to view URL]” on my machine (Python 3.10) completes without errors and the output file reflects the cleaning steps above.
Project ID: 40667714
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70 freelancers are bidding on average $28 USD for this job

A CSV cleaner lives or dies on the messy rows, not the happy path — so I'd build it to log and flag what it can't parse instead of silently dropping it. - Python + pandas: dedupe, trim/normalize whitespace, fix encodings, type-coerce columns, standardize dates/numbers - Config-driven rules so new columns don't need a code change - A short run log of what was changed and what was skipped, plus the cleaned CSV Proof: data-cleaning and processing scripts are routine production work for me — unattended runs for industrial clients. Delivery in 1-2 days. Can you share a sample file and the exact cleaning rules you want applied? Then I'll confirm scope and start. Martin
$25 USD in 2 days
6.6
6.6

As a seasoned Python developer specializing in data analysis, I am confident that I can deliver a solution tailored to your CSV cleaning needs. My years of experience have equipped me with deep knowledge of the Python standard library, allowing me to complete tasks efficiently while adhering to coding best practices. One aspect where I shine is creating clean and well-commented code. I understand the importance of making the script readable and maintainable for later use, and will ensure thorough documentation in the form of README or docstring, meeting your specified requirements. My skills in data analysis will come in handy for implementing common cleaning actions on your CSV such as: duplicate removal, removing missing values, trimming stray whitespace, and normalizing line endings using csv, re, datetime or any other built-ins. Lastly, my clients consistently commend me for my strong command of cloud technology that ensures maximum performance and scalability. Hence, I guarantee delivering a robust solution that runs smoothly on your machine using Python 3.10. With my top 1% ranking on Freelancer.com and efficient demeanour, I am confident that I should be your go-to freelancer for this project!
$20 USD in 1 day
6.3
6.3

Hello Sir , I have 7 years experience in Python, CSV data processing. I will get this done in 1hour . I have worked with 130+ clients. Let’s connect
$20 USD in 1 day
6.5
6.5

Hi, I'm Denis, a developer who has worked on similar data processing scripts that prioritize simplicity and maintainability. This looks like a straightforward Python task where the main challenge is making the cleaning steps configurable without external dependencies. The requirements for preserving column order and using only standard libraries are clear, and I can structure the script so each cleaning function can be toggled via flags. I recently worked on a similar cleanup script where the focus was on keeping the logic transparent and the output consistent with the input format. That project helped me see how small utilities like this benefit from clear separation between file handling and data transformations. The script would start by reading the CSV with the csv module, then apply the cleaning steps in sequence based on command-line flags. Each function would handle one action—duplicates, whitespace, missing values—while maintaining the original column positions. After processing, the cleaned data would be written back using the same field order. The biggest practical risk here is inconsistent CSV formats in the input file, like irregular quoting or mismatched rows. I’d add basic validation to catch those early and skip problematic rows with a warning rather than failing silently. I can start working right away. Let's connect and discuss the details. Thanks, Denis.
$10 USD in 1 day
6.0
6.0

I’ll write a single, well-commented Python script using only the standard library that reads the CSV, preserves the original column order, and applies cleaning steps as modular functions—duplicate removal, missing-value handling, whitespace trimming, and line-ending normalization—each controlled by simple flags so you can enable or disable them independently. The script will be structured around clear function calls, accept input and output paths via command-line arguments, and include a docstring with usage examples. I’ll also handle edge cases like inconsistent quoting and blank rows so the output is predictable and error-free on Python 3.10.
$20 USD in 7 days
6.2
6.2

I can deliver a clean Python 3.10 standard-library script with configurable duplicate removal, missing-value handling, whitespace cleanup and line-ending normalization, while preserving column order. I’ll include clear CLI usage and keep the implementation dependency-free, tested with the exact command you specified.
$30 USD in 1 day
5.6
5.6

As an experienced software developer and automation specialist, I have the necessary skills to efficiently clean up your CSV file without using external dependencies. My deep understanding of Python and its built-in libraries - such as csv, re, and datetime - not only enables me to work within your specified framework, but also ensures the finished script is robust, reliable, and scalable. This commitment to simplicity while retaining functionality would be invaluable in writing a concise .py script that meets your needs. Moreover, my broad expertise includes not only data analysis but also data processing; a combination that makes resolving common cleaning actions like duplicate removal, missing-value handling, whitespace trimming, and line ending normalization second nature to me. I can clearly structure these processes with function calls or flags so they can be easily adjusted later on –just as you required. Lastly, my knack for developing clean and intuitive user interfaces is one that would extend even to the accompanying README or docstring documentation for this project. Every aspect of my workstyle is oriented towards simplifying complex tasks into manageable steps; enabling users at all levels of familiarity with Python the ability to understand and use the script effectively. Choosing me for this task means opting for a hassle-free Python standard library-based solution that greatly reflects your vision for this project.
$10 USD in 7 days
5.3
5.3

With my 17+ years of experience and my expert team, we are well-equipped to handle any Python related projects, including the one you've posted. My extensive experience in ASP.NET C#, Python, Software Architecture and Development underlies my understanding of clean, efficient programming techniques. I have a deep understanding of the CSV and built-in libraries mention in your project description, which means that your task will be carried out using exclusively the tools you requested. I understand that you may want to make adjustments to the cleaning actions later on and I'm at-a-command for that as well. In fact, flexibility is one of my specialized skills. In developing your script, I will ensure not only a clean code base with clear function calls or flags but also that your data preserve the original column order. In addition to meeting your technical requirements, I also assure you top-notch customer service. I am available 24/7 to address your questions or concerns ensuring 100% satisfaction through prompt and high-quality deliveries. I am excited about this opportunity and look forward to discussing how our skillsets can be put to best use on your project. Hire me today for a job exquisitely done!
$20 USD in 7 days
5.1
5.1

Hi, your CSV cleanup script is a clean fit for the Python standard library. You need a single, well-commented file that reads the input, removes duplicates, handles missing values in a simple, configurable way, trims stray whitespace, normalises line endings, and writes a new CSV without changing column order. I’ve built similar small data-cleaning scripts with csv, re, and datetime, keeping the logic easy to toggle through function calls or flags. My focus would be on making each step isolated, readable, and safe for Python 3.10, so the script is easy to maintain later. I’d structure it as clear helper functions, keep the command-line usage in a short docstring or README, and test the output against your sample file to ensure the cleaning steps behave exactly as expected. If you’d like, I can put this together quickly and keep it dependency-free. Best regards, Gabriel
$100 USD in 1 day
4.7
4.7

Hi, Could you share the CSV file you’d like cleaned up? I can ensure the script performs duplicate removal, missing-value handling, and whitespace trimming, all while maintaining your specified column order. I can write a well-commented Python script using only the standard library, so you’ll have clear function calls for easy customization. My experience with Python includes various data manipulation tasks, and I’m familiar with the built-in modules you’ll need for this project. I’ll also include a short README for command-line usage. Let me know if you want to proceed! Best Regards, Priyanka
$30 USD in 1 day
4.7
4.7

==== Hi - Truong here ==== "PYTHON CSV CLEANER" — you need a small dependency-free script that cleans your CSV reliably without changing its structure. I’ll use only Python 3.10 standard-library modules, with each cleaning step as a clear function or switch. The script will preserve column order, write to a separate output file, and handle duplicates, missing values, whitespace, and line endings. Should missing values be replaced with one fixed value, or should they simply be left empty?
$20 USD in 1 day
4.5
4.5

I will deliver a dependency-free Python 3.10 script with separate, configurable functions for whitespace cleanup, line-ending normalization, duplicate removal, and missing-value handling while preserving the original column order. The command-line interface will follow your requested input/output syntax, validate paths and headers, and write safely without modifying the source file. I will include concise docstrings or README usage plus small regression fixtures covering duplicates, blanks, quoted delimiters, and encoding edge cases. Should duplicate detection use the complete row or a specific key column?
$30 USD in 1 day
4.2
4.2

With over 10 years of professional experience as a Full-Stack Web Developer, I've had extensive exposure in Data Analysis and Processing using Python. Being a fan of the Python standard library myself, I completely understand your requirement for keeping the dependencies minimal. Using built-ins such as csv, re, datetime, I believe I can effectively execute all the common cleaning actions you need for your CSV file. Your instruction about providing clear function calls or flags especially caught my interest. I'm very keen on ensuring that my code is not only effective but also easily extensible, which perfectly aligns with what you're seeking. Moreover, in line with your other requirements, I can provide a comprehensive REAMDE or docstring to allow easy CLI usage. Lastly, choosing me guarantees clean, scalable and maintainable code delivered on time. My commitment to providing long-term support even after the project is completed reflects my dedication to client satisfaction and establishing lasting relationships. Let's connect and discuss how my skills in Data Analysis and Processing alongside my deep knowledge of Python can help make your CSV file shine.
$24 USD in 7 days
4.2
4.2

I am available right now. send me a message and I can complete this task in under an hour. I can write a standalone Python 3.10 script using only the csv and re modules to clean your dataset. I will build modular functions with toggleable flags to handle deduplication, missing values, whitespace trimming, and line ending normalization while preserving column order. cheers Nehal
$25 USD in 1 day
3.7
3.7

Hi, i will create simple python script to cleanup your CSV file, i will not use any external dependencies and will provide you brief README file to set it up on your machine, Let's start now and finish today
$20 USD in 1 day
2.5
2.5

GIVE ME 30 SECONDS TO SHOW YOU WHY I'M THE RIGHT FIT FOR THIS PROJECT. I recently completed a project where I developed a Python script that cleaned and processed several CSV files for a client, resulting in a 90% reduction in data inconsistencies. The script utilized only the Python standard library, ensuring compatibility and ease of use. I have over five years of experience in Python programming and data manipulation, with a strong focus on CSV handling using built-in libraries. This background equips me to deliver precisely what you need. I understand your goal is to create a clean, efficient script that can handle common data issues while maintaining original column order. I will implement clear function calls and flags for flexibility in cleaning steps. I prioritize effective execution and transparent communication to ensure long-term success. I am confident that my skills align perfectly with your project needs. The difference between an average result and an exceptional one is usually decided before the work even begins. Regards Patrick
$15 USD in 7 days
2.6
2.6

Hello, Preserving original column order while applying selective cleaning requires reading the header first and passing it explicitly through each transformation since Python’s csv module doesn’t guarantee field sequence after row manipulation. I would begin by implementing the argument parser and file I/O scaffold then add each cleaning step as a composable filter that respects your on/off flags. This focused structure keeps the script dependency-free and maintainable and I can deliver the working solution with README within two days. Should missing values be replaced with empty strings, a default placeholder, or skipped entirely? Send your cleaning preferences and I will start the implementation today. Adrian
$30 USD in 1 day
2.2
2.2

Just completed a similar project involving CSV data manipulation and can have your data cleaned up swiftly. The focus on using Python’s standard library aligns perfectly with my expertise. I specialize in creating efficient scripts that read, process, and write CSV files while ensuring the original column order is maintained. With a strong grasp of built-in libraries like csv and re, I can implement the required cleaning actions seamlessly, including handling duplicates and missing values. My approach ensures clear function calls for easy toggling of cleaning steps. I would like to discuss your project in further detail. Best Regards, Henco.
$12 USD in 3 days
0.6
0.6

With my extensive experience in Python and web development, I am confident that I can offer you the perfect solution for your Basic Python CSV Data Cleaner project. Although my profile highlights my web development skills, it is important to note that Python is the backbone of most of my work and I'm deeply familiar with the capabilities of its standard library. I have successfully created multiple Python scripts that perform tasks similar to what you've described. My approach to this project would be clear: writing a single, well-commented .py script which meticulously includes all the common cleaning actions you need - nothing more and nothing less - in just a handful of built-in Python librarie. Lastly, as a seasoned freelancer who deeply values clear communication, I assure you that I'm very open to feedback and will ensure our collaboration on this project goes smoothly until its completion. Let's leverage my expertise in Python with your project and I guarantee we'll deliver a clean, high-quality, PythonósIFE your brief's specifications
$10 USD in 1 day
0.0
0.0

Hello, I can develop a clean, well-documented Python 3.10 script using only the standard library—no third-party dependencies.
$10 USD in 2 days
0.0
0.0

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