Characters.get('e', 0) tells python to search for The real key 'e' while in the dictionary. If it's actually not found it returns 0. Since This really is The very first time 'e' is passed in the loop, the character 'e' is just not found in the dictionary however, so the https://cristiangufqd.liberty-blog.com/36567341/the-smart-trick-of-buy-tinctures-usa-that-nobody-is-discussing