def User():
    def __init__(self, first_name, last_name, age, city):
        self.name = first_name
        self.surname = last_name
        self.age = age
        self.city = city
        
    def describe_user(self):
        print(f"\nImię i nazwisko: {self.name.title()} {self.surname.title()}")
        print(f"\nWiek: {self.age}")
        print(f"Miasto zamieszkania: {self.city.title()}")
        
    def greet_user(self):
        print(f"Witaj, {self.name.title()} {self.surname.title()}!")
        
me = User('jan', 'kowalski', '30', 'warszawa')
me.describe_user()
me.greet_user()


Traceback (most recent call last):
  File "<string>", line 16, in <module>
TypeError: User() takes 0 positional arguments but 4 were given
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