Python dictionaries, while loops, avoiding infinite loops, while loops with nested dictionaries.

dictionaries, for game dev, handling missing keys in dictionaries, looping through key-value pairs in dictionaries, looping through dictionaries, checking for keys, sorting keys, looping through dictionaries and sets, nesting, nesting dictionaries and creating lists, modifying elements in nested dictionaries, nesting lists inside dictionaries, user input, handling user input, converting user input and the modulo operator, while loops, while loops with user input, flags, break statements, continue statements and infinite loops, avoiding infinite loops in while loops, while loops with lists and dictionaries.