1、使用cmd打开命令行窗口。
2、在输入python时，进入python交互模式。
3、输入exit()，退出交互模式，在命令行模式下运行.py程序。
实例
C:\Users\86178>python Python 3.8.3 (default, Jul 2 2020, 17:30:36) [MSC v.1916 64 bit (AMD64)] :: Anaconda, Inc. on win32 Type "help", "copyright", "credits" or "license" for more information. >>> edit Traceback (most recent call last): File "<stdin>", line 1, in <module> NameError: name 'edit' is not defined >>> exit() C:\Users\86178>python Python 3.8.3 (default, Jul 2 2020, 17:30:36) [MSC v.1916 64 bit (AMD64)] :: Anaconda, Inc. on win32 Type "help", "copyright", "credits" or "license" for more information. >>> hello.py Traceback (most recent call last): File "<stdin>", line 1, in <module> NameError: name 'hello' is not defined >>> exit() C:\Users\86178>python hello.pu python: can't open file 'hello.pu': [Errno 2] No such file or directory C:\Users\86178>python hello.py python: can't open file 'hello.py': [Errno 2] No such file or directory C:\Users\86178>cd /d 文件名、目录名或卷标语法不正确。 C:\Users\86178>cd /d D: D:\>python hello.py hello D:\>python Python 3.8.3 (default, Jul 2 2020, 17:30:36) [MSC v.1916 64 bit (AMD64)] :: Anaconda, Inc. on win32 Type "help", "copyright", "credits" or "license" for more information. >>> hello.py Traceback (most recent call last): File "<stdin>", line 1, in <module> NameError: name 'hello' is not defined >>>
以上就是python命令行模式的使用流程，希望对大家有所帮助。更多Python学习指路：python基础教程
本文教程操作环境：windows7系统、Python 3.9.1，DELL G3电脑。