What is the problem??

Question

class Rectangle:
def __init__(self, larg, alt):
self.larg = larg
self.alt = alt

def area(self):
return self.larg * self.alt

@classmethod
def square(cls, lado):
return cls(lado, lado)

quadrado = Rectangle.square(5)
print (quadrado.area())

Answer 1

You aren't defining Rectangle as an object first.
R = Rectangle(x, y)
R.area()

Answer 2

sorry but i can't understand u