itertools is a built-in Python library that creates iterators for efficient looping. This video will show you how to use itertools to efficiently iterate through pairs of values in a list.
Chapters:
0:00 Introduction
0:31 Double For Loops
1:31 itertools Combinations
2:17 itertools Permutations
20:00 - Epilogue
Source code: https://bit.ly/3yykKp4