10 ChatGPT Prompts for Python Coders

Python makes things possible. ChatGPT makes them faster.

Whether you’re debugging, building, learning, or documenting — these prompts help you write better code, fix faster, and stop searching Stack Overflow for the same question again. 

Use them as your coding sidekick whenever you hit a wall or want to move quicker.

1. Prompts to Generate a Python Function From Scratch

#CONTEXT:

You know what the function should do — you just want to see it written out.

#GOAL:

Write a clean, reusable Python function based on my description.

#RESPONSE GUIDELINES:

• Task: [insert what the function should do]

• Input type: [insert: string, list, dict, etc.]

• Expected output: [insert example]

• Add inline comments

• Optional: include basic test cases

#OUTPUT:

A ready-to-use Python function with clear logic.

2. Prompts to Fix a Bug in Your Python Code

#CONTEXT:

Your code throws an error or gives the wrong output — and you need help spotting the issue.

#GOAL:

Find and fix the bug in this snippet.

#RESPONSE GUIDELINES:

• Paste your code: [insert]

• Describe the error or unexpected behavior

• Ask for a fix and explanation

• Keep the response simple and focused

• Optional: suggest a cleaner version

#OUTPUT:

A working version of the code, plus a quick explanation.

3. Prompts to Simplify a Long Script

#CONTEXT:

Your script works — but it’s messy, repetitive, or hard to maintain.

#GOAL:

Refactor for readability and simplicity.

#RESPONSE GUIDELINES:

• Paste your script: [insert code]

• Ask to reduce repetition, add functions, and clean logic

• Optional: request docstrings and better variable names

• Avoid overengineering — keep it beginner-friendly

#OUTPUT:

A cleaner, modular version of the original code.

4. Prompts to Learn a New Python Library

#CONTEXT:

You want to get up to speed with a new library fast — and skip the long docs.

#GOAL:

Learn what this library does and how to use it.

#RESPONSE GUIDELINES:

• Library: [insert name: pandas, requests, matplotlib, etc.]

• Use case: [insert goal or problem]

• Ask for an intro, key functions, and short examples

• Optional: request a cheat sheet format

#OUTPUT:

A beginner-friendly guide to the library with quick code samples.

5. Prompts to Explain Python Code You Don’t Understand

#CONTEXT:

You copied or inherited some code — and need to know what it actually does.

#GOAL:

Break down unfamiliar code into plain English.

#RESPONSE GUIDELINES:

• Paste the code: [insert]

• Ask for a line-by-line or block-level explanation

• Optional: request simplified pseudocode version

• Avoid over-complicated terminology

#OUTPUT:

A clear explanation of what the code does and why.

6. Prompts to Write Unit Tests for Python Code

#CONTEXT:

You wrote a function — now you want to test it without writing test logic from scratch.

#GOAL:

Create basic unit tests using unittest or pytest.

#RESPONSE GUIDELINES:

• Paste the function: [insert code]

• Testing tool: [insert: unittest or pytest]

• Add at least 3 test cases with expected output

• Format with import statements and test runner setup

#OUTPUT:

A test file I can run immediately to validate my function.

7. Prompts to Convert Logic Into Python Code

#CONTEXT:

You wrote out a rough idea in plain English — now you need it turned into working Python.

#GOAL:

Translate logic steps into a working script.

#RESPONSE GUIDELINES:

• My logic: [insert step-by-step idea]

• Output format: [insert: print, return list, write file, etc.]

• Ask for comments to explain steps

• Optional: request a scalable structure or reusable function

#OUTPUT:

A fully written script that matches my logic.

8. Prompts to Optimize for Speed or Memory

#CONTEXT:

Your code works — but you suspect it could run faster or use less memory.

#GOAL:

Optimize the performance of this code.

#RESPONSE GUIDELINES:

• Paste the code: [insert]

• Tell me the data size or where it feels slow

• Ask for a faster or more memory-efficient version

• Optional: include profiling suggestions

#OUTPUT:

An optimized version of the code, with an explanation of the changes.

9. Prompts to Document Code for Hand-Off

10. Prompts to Build a Mini Project Fast

#CONTEXT:

You want a small, fun project to build or showcase — but don’t want to start from scratch.

#GOAL:

Get a complete, beginner-to-intermediate project idea with code.

#RESPONSE GUIDELINES:

• Topic: [insert: automation, web scraping, finance, game, etc.]

• Level: [insert: beginner, intermediate]

• Ask for a step-by-step plan and code snippets

• Optional: include comments and 1 idea to expand the project

#OUTPUT:

A Python mini-project with working code I can build and share.

How to Use These Prompts Effectively

• Use real code

Don’t ask vague questions — give ChatGPT your exact logic or bug.

• Ask follow-up questions

Say “optimize this,” “add error handling,” or “rewrite for beginners.”

• Mix and stack

Write the code with one prompt, test it with another, document it with a third.

• Use it while learning

Ask ChatGPT to explain code you don’t get — then ask it to quiz you.

• Don’t copy and paste blindly

Always run and understand the code before using it in real projects.

Conclusion / Wrap-Up

Python is powerful. ChatGPT makes it faster.

These prompts help you think, code, and build with less friction — so you can go from stuck to shipping in minutes. 

Whether you’re new or pro, these shortcuts save time and keep your focus where it should be: on solving real problems.

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