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Python raise Keyword

❮ Python Keywords

Example

Raise an error and stop the program if x is lower than 0:

x = -1

if x < 0:
  raise Exception("Sorry, no numbers below zero")
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Definition and Usage

The raise keyword is used to raise an exception.

You can define what kind of error to raise, and the text to print to the user.

More Examples

Example

Raise a TypeError if x is not an integer:

x = "hello"

if not type(x) is int:
  raise TypeError("Only integers are allowed")
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❮ Python Keywords