怎么在linux里运行一个py文件？

#!/usr/bin/env python\x0d\x0a#注意上面这一行必须是第一行顶头写。\x0d\x0a# python file example. \x0d\x0a# assume we name this file as "hello.py"\x0d\x0a# use shell command "chmod +x hello.py" to make this file executable. \x0d\x0a# then you are able to run it by typing "./hello.py"\x0d\x0aprint "Hello this is from python!"

linux下python解释器的后缀有py、pyc、pyo、pyi、pyw、pyd、pyx等。实际上用python+文件的方式运行代码，只要文件内容相同，后缀名是不重要的，也就是说上面的运行结果都是等价。

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