Codehs Python 3.5.9 Recipe

Python 3.5.9 was released in late 2019 as a security-focused update to the Python 3.5 series. On CodeHS, this version is chosen for stability and compatibility with their autograder sandbox. However, it lacks features that newer Python versions have:

If you are navigating the CodeHS Python curriculum, you have likely encountered a specific version number that makes many students pause: . While most modern tutorials focus on Python 3.8 or 3.10+, CodeHS uses Python 3.5.9 for its "Introduction to Programming in Python" and "AP Computer Science Principles" courses. This means your "recipe" for solving problems must account for the subtle quirks and features (or lack thereof) of this specific version. codehs python 3.5.9 recipe

Python 3.5.9 supports standard if-elif-else , but (the walrus operator := introduced in 3.8). Python 3

# Assumes "data.txt" is uploaded to the CodeHS file browser try: with open("data.txt", "r") as file: content = file.read() print(content) except FileNotFoundError: print("File not found. Upload it to the CodeHS console.") While most modern tutorials focus on Python 3