(outside any functions or classes), are added to the module’s global namespace. The imported module names, if placed at the top level of a module Import statements at the beginning of a module (or script, for that

It is customary but not required to place all On the other hand, if you know what you areĭoing you can touch a module’s global variables with the same notation used to Use global variables in the module without worrying about accidental clashes (They are also run if the file is executed as a script.)Įach module has its own private namespace, which is used as the global namespaceīy all functions defined in the module.

The first time the module name is encountered in an import statement. These statements are intended to initialize the module. More on Modules ¶Ī module can contain executable statements as well as function definitions. For instance, use your favorite text editor to create a fileĬalled fibo.py in the current directory with the following contents: Module’s name (as a string) is available as the value of the global variable Script executed at the top level and in calculator mode).Ī module is a file containing Python definitions and statements. The main module (the collection of variables that you have access to in a Module definitions from a module can be imported into other modules or into Script or in an interactive instance of the interpreter. To support this, Python has a way to put definitions in a file and use them in a Handy function that you’ve written in several programs without copying its Split it into several files for easier maintenance. As your program gets longer, you may want to Input for the interpreter and running it with that file as input instead. Somewhat longer program, you are better off using a text editor to prepare the Have made (functions and variables) are lost. If you quit from the Python interpreter and enter it again, the definitions you

Packages in python