《python基础教程》答案（第五章）

《python基础教程》答案（第五章）

# created by swy
"""
solutions to beginning python
"""


def do_plus(firstNumber, secondNumber):
    return firstNumber + secondNumber


def do_plus_ex(firstNumber, secondNumber):
    if type(firstNumber) != type(1) or type(secondNumber) != type(1):
        raise KeyError
    return firstNumber + secondNumber


print(do_plus_ex("114", "514"))
print(do_plus_ex(114, 514))

第五章 完