Dan Bader on Twitter: "💌🐍 collections.Counter in the #Python standard library is great! (Get the whole series at https://t.co/FR9Cy8XsrT) https://t.co/A7o4nQBOAD" / Twitter
Understand Python Counter in Collections (with Examples)
What are Collections in Python | Board Infinity
Python's Counter: The Pythonic Way to Count Objects – Real Python