Three ways to implement Hello World in Python programming

This article describes three implementation methods of Hello World, which is an introduction to Python programming. Share it for your reference, as follows:

The first method:

$python
>>>print('hello world') 

Output hello world on the screen

print is a common function

The second method:

The third method:

#!/usr/bin/env python
chmod 755 
./

I hope this article will be helpful to everyone's Python programming.