Simple Calculator


def calculator():
    print("Welcome to the Python Calculator")
    print("Operations: +, -, *, /")
    
    try:
        num1 = float(input("Enter the first number: "))
        op = input("Enter an operation (+, -, *, /): ")
        num2 = float(input("Enter the second number: "))
        
        if op == '+':
            result = num1 + num2
        elif op == '-':
            result = num1 - num2
        elif op == '*':
            result = num1 * num2
        elif op == '/':
            if num2 == 0:
                result = "Error: Cannot divide by zero."
            else:
                result = num1 / num2
        else:
            result = "Error: Invalid operation."
        
        print("Result:", result)
        
    except ValueError:
        print("Invalid input. Please enter numeric values.")

# Run the calculator
calculator()


Enter the first number: 8
Enter an operation (+, -, *, /): *
Enter the second number: 5
Result: 40.0