Introduction to Python annotations and script parameters

This article introduces Python comments and script parameters

Single-line comments:

#Multi-line comments: """ starts, """ ends

Capture Parameter: import sys

sys.argv indicates that the argv function is in the sys module

Eg:hello.py

#_*_ coding: utf-8 _*_

import sys

print sys.argv

print 'Hello, world!'

Execution result:

E:\> ;pythonhello.py localhost:8001

['hello.py','localhost:8001']

Hello, world!

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