def hello_world(first_name, last_name):
    print("Hello ", end="")
    print(first_name, end=" ")
    print(last_name)

 

def hello_world(first_name, last_name):
    print("Hello ", end="")
    print(first_name, end=" ")
    print(last_name)

hello_world("Willie", "Wildcat")

def flip(first, last):
    temp = first
    first = last
    last = temp
    print(first)
    print(last)

def main(): first = "Willie" last = "Wildcat" flip(first, last) print(first) print(last)

main()