Define a class for rectangle objects. Every rectangle object has
a height and a width.
Your class should initialize an object with a given height and
width, with default
values 1.0. In addition, there should be methods for determining
the area and
perimeter of a rectangle. Also, include method to change the length
of the width and
the height of an object. Show how your class behaves.
Your code should be in Python 3.