Python Developer Path

From functions and data structures to files and project setup.

5 lessons · about 34 minutes of reading

Log in to track your progress through this course.

1. 1

   Python Functions: Arguments, Return Values, and Scope

   Learn how to define reusable functions in Python, pass arguments, return results, and understand variable scope.

   7 min read

2. 2

   Python Dictionaries and Sets: When to Use Each

   Understand key-value dictionaries and unique-value sets, including common operations and when each one fits.

   7 min read

3. 3

   Python List Comprehension: A Practical Guide

   Write shorter, faster, more readable Python loops using list comprehensions.

   6 min read

4. 4

   Working with Files in Python: Read, Write, and Handle Errors

   Read and write text files safely in Python using the with statement, and handle missing files gracefully.

   8 min read

5. 5

   Python Virtual Environments and pip: A Beginner's Guide

   Isolate each project's dependencies with venv and manage packages with pip and requirements.txt.

   6 min read