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python三引号注释_python使用三引号来注释的具体原因?

發布時間:2024/7/5 44 豆豆
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Why didn't python just use the traditional style of comments like C/C++/Java uses:

/**

* Comment lines

* More comment lines

*/

// line comments

// line comments

//

Is there a specific reason for this or is it just arbitrary?

解決方案

Python doesn't use triple quotation marks for comments. Comments use the hash (a.k.a. pound) character:

# this is a comment

The triple quote thing is a doc string, and, unlike a comment, is actually available as a real string to the program:

>>> def bla():

... """Print the answer"""

... print 42

...

>>> bla.__doc__

'Print the answer'

>>> help(bla)

Help on function bla in module __main__:

bla()

Print the answer

It's not strictly required to use triple quotes, as long as it's a string. Using """ is just a convention (and has the advantage of being multiline).

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