People.get('e', 0) tells python to look for the key 'e' from the dictionary. If it's actually not found it returns 0. Because This really is The very first time 'e' is passed throughout the loop, the character 'e' is not really found in the dictionary still, Hence the get method https://get-psychedelics-online57803.bloggazzo.com/35331144/the-smart-trick-of-caribo-edibles-that-no-one-is-discussing