calculator python tutorial

1num1 = input("Enter a Number : ")
2num2 = input("Enter a Number : ")
3result = (num1 * num2)
4print(result)
5# And then print out the result

1while True:
2    Cal = input("")
3
4    print(eval(Cal))

1def add(num1, num2):
2    return num1 + num2
3
4def subtract(num1, num2):
5    return num1 - num2
6
7def multiply(num1, num2):
8    return num1 * num2
9
10def divide(num1, num2):
11    return num1 / num2