"""1 **Calculatior Funciton**:
Write a Python funciton that takes two numbers and
as input and returns the result of the operation"""
def calculator(num1, num2, operator):
if operator == '+': # check for +
return num1 + num2
elif operator == '-': # check for -
return num1 - num2
elif operator == '*': # check for *
return num1 * num2
elif operator == '/': # check for /
if num2 == 0: # make sure num2 is not 0
return "Division error"
else: # num2 is 0
return num1 / num2
else : # opeartor is not +-*/
return "error : invalid operator"
result = calculator(5, 3, '+')
print(result)
