from turtle import *

def draw_square(side, x, y):
    # write a function that draws a draws
    # a square with either red or blue fill
    # depending on the starting x position
    # being positive (blue) or negative (red)
    
draw_square(40, -100, 100)
draw_square(60, 100, -100)
draw_square(100, -50, -20)
draw_square(80, 90, 30)
done()