Python Documentation Type AssertionError

Type defined in library builtins

AssertionError

Python raises an assertion error when an assert statement fails (when the condition in the assert statement evaluates to False).

Examples

Code

size = -2
assert size >= 0, "Size must be 0 or positive"

error

AssertionError: Size must be 0 or positive

Code

assert False

error

AssertionError

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