Codewars 8 kyu simple calculator

Task

create a simple calculator that returns the result of addition, subtraction, multiplication or division of two numbers.

Verbalization

Conditionally divided by
If op == “+”, return x + y
If op == “-”, return x - y
If op == “*”, return x * y
If op == “/”, return x / y
Else, return "unknown value"
Add condition if type(x) == int and type(y) == int in 2.- 5.

Code

def calculator(x, y, op):
    if op == '+' and type(x) == int and type(y) == int:
        return x + y
    if op == '-' and type(x) == int and type(y) == int:
        return x - y
    if op == '*' and type(x) == int and type(y) == int:
        return x * y
    if op == '/' and type(x) == int and type(y) == int:
        return x / y
    else:
        return "unknown value"