Proper way to declare custom exceptions in modern Python?

Question

What\'s the proper way to declare custom exception classes in modern Python? My primary goal is to follow whatever standard other exception classes have, so that (for instan

Answer 1

Try this Example

class InvalidInputError(Exception):
    def __init__(self, msg):
        self.msg = msg
    def __str__(self):
        return repr(self.msg)

inp = int(input("Enter a number between 1 to 10:"))
try:
    if type(inp) != int or inp not in list(range(1,11)):
        raise InvalidInputError
except InvalidInputError:
    print("Invalid input entered")