Defining a Class

Define the class Rectangle. Its constructor takes a pair of numbers representing the top-left corner, and two other numbers representing the width and height. It has the following methods:

get_bottom_right() - return the bottom right corner as a pair of numbers.

move(p) - move the rectangle so that p becomes the top-left corner (leaving the width and height unchanged).

resize(width, height) - set the width and height of the rectangle to the supplied arguments (leaving the top-left corner unchanged).

__str__() - return the string representation of the rectangle as a pair of pairs - i.e. the top left and bottom right corners.

Note: this problem uses the coordinate system commonly used for computer graphics. In this system, the origin is in the top-left corner and the y-axis is flipped. The bottom-right corner will therefore have a larger y coordinate than the top-left corner.

Examples: Each example below follows on from the previous one. Be careful to get the spacing right for str - i.e. comma followed by space.

>>> r = Rectangle((2,3), 5, 7) >>> str(r) '((2, 3), (7, 10))' >>> r.move((5,6)) >>> str(r) '((5, 6), (10, 13))' >>> r.resize(2,3) >>> str(r) '((5,6), (7, 9))' >>> r.get_bottom_right() (7, 9)