We’re going to import the math module by saying "import math". 该模块具有多个功能。 The module comes with several functions. 我们将演示其中的几个。 We’re just going to demonstrate a couple of them. 例如,如果我想使用pi的值,我会键入math.pi,Python会告诉我pi的值,3.14,依此类推。 For ex...
In Python, you can use the import statement to use functions or variables defined in another module. Here are some code examples that demonstrate how to use multiple modules with Python import statement: Suppose you have two modules module1.py and module2.py that contain some functions: ...
To check that these Python modules are ready to go, enter into your local Python 3 programming environment or server-based programming environment and start the Python interpreter in your command line like so: python Copy From within the interpreter you can run theimportstatement to make sure tha...
ExampleGet your own Python Server Save this code in a file namedmymodule.py defgreeting(name): print("Hello, "+ name) Use a Module Now we can use the module we just created, by using theimportstatement: Example Import the module named mymodule, and call the greeting function: ...
To import a Python module, you can use theimportstatement followed by the module name. Examples to Import Python Modules Below are examples demonstrating how to import and use functions from the modules you created earlier. Example 1: menu.py ...
importsysimporttextwrapnames=sorted(sys.modules.keys())name_text=', '.join(names)printtextwrap.fill(name_text) The contents ofsys.moduleschange as new modules are imported. $ python sys_modules.py UserDict, __builtin__, __main__, _abcoll, _codecs, _sre, _warnings, _weakref, _weakref...
Locations where the Python interpreter searches for a module How to obtain access to the objects defined in a module with the import statement How to create a module that is executable as a standalone script How to organize modules into packages and subpackages How to control package initializatio...
In this chapter, you learned how to create and work with Python modules and packages.By the end of this chapter, you know how to:Create your own modules Use modules in another file via the import statement Organize several modules into a package...
A built-in module may be a Python script (with .py extension) containing useful utilities. To display list of all available modules, use following command in Python console: >>> help('modules') Resources from other modules are loaded by import statement. The general format of using a functi...
A module can contain executable statements as well as function definitions. These statements are intended to initialize the module. They are executed only thefirsttime the module name is encountered in an import statement.[1](They are also run if the file is executed as a script.) ...