simple_python_program.py

def add(a, b):
    return a + b

def subtract(a, b):
    return a - b

def multiply(a, b):
    return a * b

def divide(a, b):
    if b == 0:
        return "Cannot divide by zero"
    return a / b
def calculate():
    print("Select operation:")
    print("1. Add")
    print("2. Subtract")
    print("3. Multiply")
    print("4. Divide")
    
    choice = input("Enter choice (1/2/3/4): ")
    
    if choice in ('1', '2', '3', '4'):
        num1 = float(input("Enter first number: "))
        num2 = float(input("Enter second number: "))
        
        if choice == '1':
            print(f"{num1}+{num2}={ add(num1, num2)}")
        
        elif choice == '2':
            print(f"{num1}-{num2}={ subtract(num1, num2)}")
        
        elif choice == '3':
            print(f"{num1}*{num2}={ multiply(num1, num2)}")
        
        elif choice == '4':
            print(f"{num1}/{num2}={ divide(num1, num2)}")
    else:
        print("Invalid input")

calculate()