Index Symbols | A | B | C | D | E | F | G | I | K | L | M | N | O | P | R | S | T | U | V | W | Z Symbols .append() == A all() any() argument assert await B bool break built-in functions C case sensitive class continue D data structure def dictionary dictionary.items() dictionary.keys() dictionary.values() docstring doctest E else endless loop enumerate() except exception F f-string False finally float for Format Specification Mini Language function function call function definition G generator graphical user interface GUI I IDLE if immutable immutable: import in input() int() integer is iterable iterate K keyword L len() list list comprehension list() list.append() list.copy() list.count() loop M mutable N None O or P parameter pass PEP PEP8 print() prompt Python R raise random random.randint() range() REPL return return value S scope set string string.format() string.lower() string.upper() T text based user interface third party library True try TUI tuple type hint U unittest user interface V ValueError W while widget Z zip()