assert
A keyword for confirming the truthiness of a given statement that is often used to facilitate development, document code, and debug.
Syntax
assert some_condition, assert_message
The assert
keyword is followed by some_condition
to be tested, such as validating a data type or membership within a given container. An optional assert_message
can be added that will be printed when the assertion error is raised.
Example
The assert
keyword can be used to validate a value (or evaluate some other condition):
fav_color = 'blue'assert fav_color == 'red'# Output: AssertionError
Codebyte Example
The following example uses assert
to evaluate if ‘mud’ is within the following list things_that_float
: