'''' this program  is about taking user input
as name and wish hello follwed by his name'''

def get_user_name():
    name = input("Enter your name")
    return name    # here we r returning the value

def say_hello(msg):
    greet = "HELLO"
    print (greet,msg)

def main(): # we are calling on function in another function
    user = get_user_name()
    say_hello(user)

main()