Modeling Coin Flips in Python The first thing we will need is a random picker. In python, you will need to import the random module (not any random module, but THE random module). Actually, we ...

This post explains what a Python module is and how to use it to drastically extend the capabiltiies of your code. Plus: how to make your own!

Python is importing your own file (random.py) instead of the actual random module from the standard library. Classic shadowing bug.