'''
This is a module of Rectangle class.
'''

class Rectangle(object):

    def __init__(self, length, width):
        self.length = length
        self.width = width

    def area(self):
        '''
        Returns the area of the rectangle.
        '''
        return self.length * self.width

    def is_square(self):
        '''
        Finds out if it is a square or not.
        '''
        return self.length == self.width