# Pastebin kEG8IfvI
Python 3.7.10+ (heads/3.7:ada1499587, Aug 11 2021, 14:57:19) 
[GCC 10.3.0] on linux
Type "help", "copyright", "credits" or "license" for more information.
>>> pow(4, -1, 3)
Traceback (most recent call last):
  File "<stdin>", line 1, in <module>
ValueError: pow() 2nd argument cannot be negative when 3rd argument specified