class User:
    def __init__(self, first_name, last_name, birth, gg, email):
        """basic information about user"""
        self.first_name = first_name
        self.last_name = last_name
        self.birth = birth
        self.gg = gg
        self.email = email
    def describe_user(self):
        """describe your user"""
        info = self.first_name + " " + self.last_name + " " + str(self.birth) + " " + str(self.gg) + " " + self.email
        return info.title()
    def greet_user(self):
        print("Hi! " + self.first_name.title())
    def increment_login_attempts(self):
        self.attempts += 1

wiktor = User("wiktor", "cwt", 1996, 123456, " wiktor@kds.pl")
print(wiktor.describe_user())
print(wiktor.greet_user())
ola = User("ola", "prd", 1996, 616724, "ola@kds.pl")
print(ola.describe_user())
print(ola.greet_user())
lena = User("lena", "kkt", 2015, 987654, "lena@kds.pl")
print(lena.describe_user())
print(lena.greet_user())