Function Examples

Function without arguments:

            def greet():
                print("Hello, welcome!")

            greet()
        

Output:

            Hello, welcome!
        

Function with arguments:

            def greet(name):
                print("Hello,", name, "welcome!")

            greet("Alice")
            greet("Bob")
        

Output:

            Hello, Alice welcome!
            Hello, Bob welcome!
        

Function with arguments:

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

            result = add_numbers(500, 300)
            print("The sum", result)
        

Output:

            The sum 800
        

Function with default argument values:

            def greet(name="guest"):
                print("Hello,", name, "welcome!")

            greet() 
            greet("Alice")
        

Output:

            Hello, guest welcome!
            Hello, Alice welcome!
        

Function with arguments:

            def factorial(n):
                if n == 0:
                    return 1
                else:
                    return n * factorial(n-1)

            result = factorial(10)
            print("The factorial is", result)
        

Output:

            The factorial is 3628800