Code Example 4-1 def get_username(first, last) s first "last return s.lower() def main(0: first_name input("Enter your first name:" last_name input("Enter your last name:") username = get-username(first_name, last_name) print("Your username is:"username) if-name "-main-": main) Refer to Code Example 4-1: What is the scope of the variable named S? global b. local in main() but global in get_username() C. global in main() but local in get_username() d. local Code Example 4-10 def get_username(first, last) s first "last return s.lower() def main) first_name input("Enter your first name: ") last_name input("Enter your last name:") username = get-username(first_name, last_name) print("Your username is:"username) f-name "-main-": main() Referto Code Example4-1: If the user enters "Lopez' for thefirst prompt in main() and 'Maria for the second prompt, what will display? Lopez.Maria b. lopez.maria C. maria.lopez d. Maria.Lopez