10.2

#10.2
import typing
import inspect
from typing import get_origin
def check_types(func):
    def wrapper(*args):
        expected = func.__annotations__
        signature = inspect.signature(func)
        actual = signature.bind(*args).arguments
        for i in actual:
            if get_origin(expected[i]) != True:
                expected_type = expected[i]
                if not type(actual[i]) == expected_type:
                    raise NameError('That is Error')
            else:
                expected_type = get_origin(expected[i])
        return func(*args)
    return wrapper
@check_types
def func(a:5 ,b: int) -> str:

    return a*b


func(6,5)