What are the Python annotation methods?

Python is a cross-platform computer programming language. It is a high-level scripting language that combines interpretation, compilation, interactivity and object-oriented. It was originally designed for writing automated scripts (shells). As the version is constantly updated and new language features are added, it is increasingly used for the development of independent, large-scale projects.

Comments: Contents that are not executed by the machine, comments are generally written in natural language.

Python comment method:

① Line comment: starts with a hash (#) number, which can be a separate line or in a certain line of code Behind .

# 这是打印hello world
print('hello wordl') # 这是打印hello world

② Block comments: Several lines of code or content, starting and ending with three consecutive single quotes or double quotes, any content in between will be ignored by the machine.

Example 1: Three consecutive single quotes starting and ending.

'''
注释。。。
 这是打印hello world 
注释。。。
'''
print("hello wordl")

Example 2: Three consecutive double quotes starting and ending.

""" 
注释。。。 
这是打印hello world
注释。。。
"""
print("hello wordl")

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