classes modelform modules - aliases for functions aliases for importing all importing specific importing an entire module modulo operator (%) - motorcycles py - mountain_poll py mpl_squares py - multiplication (*) my_car py my_cars py - my_electric_car py name errors - name_function py - name py - names py na_populations py nesting dictionaries in dictionaries - dictionaries in lists - lists in dictionaries - newline (\ ) not (!) number_reader py numbers arithmetic avoiding type errors - comparisons - exponents floats - integers - order of operations str(function numbers py number_writer py index object-oriented programming see also classes open(function operator module - or keyword os python checking installed version - installing - setting up - running hello world sublime text (text editor) - terminal running commands from running programs from troubleshooting installation issues parameters - parent classes see also classesinheritance parrot py - pass statement pep - person py - peterstim pets py - pi - pip checking for get-pip py installing pi_string py - pizza py - planning project players py - pop(method - positional arguments - postgres post requests