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This article introduces you how to use the python function of the document string, the content is very detailed, interested friends can refer to, I hope you can help.

The document string must be surrounded by three single or double quotes, placed on the first line of the function's arguments, and the return value can be modified with the corresponding type, but only as a modifier, not as a mandatory type check. Use the help () function to view the description information such as the document string when the function is defined.

# Type definitions are only decorative, not mandatory type checking def test (a: int, b: str)-> int: "document string, which must be placed on the first line of the function: param a:: param b:: return:" print ("test") help (test) the document string on how to use the python function is shared here. I hope the above content can be of some help to you and learn more knowledge. If you think the article is good, you can share it for more people to see.

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