1def type_check(mode):
 2    def decorator(*expected_types):
 3        def checked(func):
 4            def decorated(*args, **kwargs):
 5                if mode == "in":
 6                    invalid_input = False
 7                    for arg in args:
 8                        if not isinstance(arg, expected_types):
 9                            invalid_input = True
10                            break
11                    for kwarg_value in kwargs.values():
12                        if not isinstance(kwarg_value, expected_types):
13                            invalid_input = True
14                            break
15                    if invalid_input:
16                        print(f"Invalid input arguments, expected {', '.join(str(t) for t in expected_types)}!")
17                
18                result = func(*args, **kwargs)
19                if mode == "out" and not isinstance(result, expected_types):
20                    print(f"Invalid output value, expected {', '.join(str(t) for t in expected_types)}!")
21                
22                return result
23            return decorated
24        return checked
25    return decorator