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In this article, the editor introduces in detail "how to use the python raise sentence", the content is detailed, the steps are clear, and the details are handled properly. I hope this article "how to use the python raise sentence" can help you solve your doubts.

1. The way to actively throw an exception is to use the raise statement:

Raise ValueError ()

2. You can indicate the cause of the error at the same time:

Raise ValueError ("input value does not meet the requirements")

3. This function does not handle possible error situations. For example, the age parameter of the function can not be taken at will, but should be in line with the human age range. If the value exceeds the range, you need to report an error to the function caller, and you can take the initiative to throw an exception.

Def stage_of_life (age): if age

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