Pygame rectangle

import pygame
import random
import pdb;

# Define some colors
red = (255,0,0)
green = (0,255,0)
blue = (0,0,255)
darkBlue = (0,0,128)
white = (255,255,255)
black = (0,0,0)
pink = (255,200,200)
pygame.init()

class Rectangle():
    x = random.randrange(0, 701)
    y = random.randrange(0, 501)
    width = random.randrange(20,71)
    height = random.randrange(20,71)
    change_x = random.randrange(-3,4)
    change_y = random.randrange(-3,4)
    def move(self):
        self.x += self.change_x
        self.y += self.change_y
    def draw(self):
        pygame.draw.rect(screen, green, [self.x,self.y, self.width, self.height], 0)

# Height/width of screen
size = (700, 500)
screen = pygame.display.set_mode(size)

# Name the window
pygame.display.set_caption("Awwshiet First Game Window")

# Loop until close button is clicked
done = False


# Manages how fast screen updates
clock = pygame.time.Clock()

myList = []

for i in range(10):
    myList.append(Rectangle())

# ------- Main Program Loop -------#
while done == False:

    # ALL EVENT PROCESSING BELOW THIS COMMENT

    for event in pygame.event.get(): # User did something
        if event.type == pygame.QUIT: # If user clicked close
            done = True # Flag as done so we exit this loop

    # ALL EVENT PROCESSING ABOVE THIS COMMENT


    # ALL GAME LOGIC BELOW THIS COMMENT

    # ALL GAME LOGIC ABOVE THIS COMMENT



    # ALL CODE TO DRAW BELOW THIS COMMENT

    screen.fill(black)
    for i in myList:
        i.draw()

    # ALL CODE TO DRAW ABOVE THIS COMMENT

    pygame.display.flip()

    # 20FPS
    clock.tick(20)

pygame.quit()