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A Python program can be split into files, one for each job, and a function in one file can be imported into another. Here's how, in ...

Python's if __name__ == "__main__" line runs your program only when the file itself is run, not when another program imports it.

Semgrep Guardian catches the risky code and packages your agent introduces. Try it free for 60 days: ...

A project brief plans your program before you build it, so you actually finish version one. Here's one filled in, box by box, for a ...

Best courses to learn the Python skills companies are hiring for: DataCamp Python for Software Engineering Track ...

Python code that works can still be hard to read. Here is how good names, a docstring and a comment fix that, in the browser, with ...

Stop paying hundreds of dollars every month for proprietary cloud AI coding subscriptions! In this complete step-by-step ...

Python's .upper(), .lower() and .strip() tidy up text, like an answer a player typed with stray spaces and capitals. Here's how, in the ...

Build real projects! Make a FREE Code Crafters account: https://app.codecrafters.io/join?via=michaelddeming I'm a self-taught ...

A computer can only store numbers, so every letter you type is stored as one. Here is how to see the numbers with Python's ord() ...

This video was sponsored by Zed, the next-gen code editor: ▷ Try Zed for free: http://zed.dev/download In this video we're going ...

Python's for loop runs a block a set number of times, and range says how many. Here's how, in the browser, with nothing to install.

Lesson 1 of the SysPotter Python Full Course. Start from zero: what Python is, how to run it, how to print output, and how ...

Learn Python by making games, in the browser, with nothing to install. A quick tour of how this course works. Your first big build is ...

Nightly ETL killed, KeyError on coupon_code. That is one of 5 production failures in this video — each with the stack trace, the root ...

Why does a score in a pygame zero game need the global keyword? Here is the UnboundLocalError live, and how one line fixes ...

Pseudocode is a plan for a program, written in plain words before any Python. Here is how to write one, in the browser, with ...

A red Python error is not a telling-off, it is Python explaining what went wrong. Here is how to read a NameError, in the browser.

At age 11, I wrote over 3000 lines of Python code to build my own 2D clone of EvoWorld from scratch! In this video, I test the ...

A Python while loop keeps running its block for as long as its test is True. Here's how one works, and what to do when it never ...