In python 3,
Write a function named passwordCheck() that will authenticate auser’s login by accepting that user’s name, their password, and adictionary of users’ login credentials. The function will returnthe str “login successful” if the user’s login information iscorrect and the str “login failed” otherwise.
Example1:
username: ‘user2’
password: ‘P@ssword2’
users = {‘user1′:’password1’, ‘user2′:’P@ssword2′,’user3′:’p#ssword33’, ‘user4′:’P&ssw0rd4’}
Returned: login successful
Example2:
username: ‘user3’
password: ‘P#ssword33’
users = {‘user1′:’password1’, ‘user2′:’P@ssword2′,’user3′:’p#ssword33’, ‘user4′:’P&ssw0rd4’}
Returned: login failed
Answer
def passwordCheck(username, password, users): if(not username in users.keys()): return False elif(users[username] == password): return True else: