throw exception from function python code example

Example 1: raise exception in python

raise Exception('I know Python!') # Don't! If you catch, likely to hide bugs.

Example 2: python raise exception

# this raises a "NameError"

>>> raise NameError('HiThere')

Traceback (most recent call last):
  File "<stdin>", line 1, in <module>
NameError: HiThere