python命令行模式的使用流程

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。