why did I bother

stupid_number.py

class StupidNumber:
     """A stupid viral facebook arithmetic puzzle with overridden operators
     """
     _number: int

     def __init__(self, number: int):
         self._number = number

     def __add__(self, other):
         return StupidNumber(self._number * (other._number + 1))

     def __repr__(self):
         return f'StupidNumber({self._number})'

     @classmethod
     def parse(cls, expression: str):
         a, b = expression.split('+')
         return StupidNumber(int(a.strip())) + StupidNumber(int(b.strip()))



 StupidNumber.parse('5 + 8')
 #> StupidNumber(45)