num1 = float(input("Enter first number: ")) op = input("Enter operator: ") num2 = float(input("Enter second number: ")) if op == "+": print(num1+num2) elif op == "-": print(num1 - num2) elif op == "*": print(num1 * num2) elif op == "/": print(num1 / num2) else: print("Invalid operator")