Función de inicio de sesión de nombre de usuario y contraseña
def login():
attempt = 3
username = input("Enter your username:\n> ")
while True:
if username in userNamePassword:
password = input("Enter your password:\n> ")
if userNamePassword[username] == password:
print("Logged in")
return True
elif userNamePassword[username] != password:
attempt -=1
print("Sorry, the password is invalid. You have", attempt,"attempts remaining.")
login()
if attempt == 0:
print("Sorry, you have exhausted your password attempts. Please restart the process.")
break
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