import *module_name*import *module_name.submodule_name*from *module_name* import *from *module_name* import *submodule_name* [, *class_name*, *function_name*, …etc]from *module_name* import *some_name* as *new_name*from *module_name.submodule_name* import *class_name* [, *function_name*, …etc]Importing a module will make Python evaluate all top-level code in this module so it learns all the functions, classes, and variables that the module contains. When you want a module of yours to be imported somewhere else, be careful with your top-level code, and encapsulate it into if __name__ == '__main__': if you don’t want it to be executed when the module gets imported.