from graphics import *
def main():
    win = GraphWin()
    win.setCoords(-1, -1, 10, 25)
    xaxis = Line(Point(-1,0), Point(10,0))
    xaxis.draw(win)
    yaxis = Line(Point(0, -1), Point(0, 25))
    yaxis.draw(win)
    for i in range(0, 24):
        tick = Line(Point(-.25, i), Point(0.25, i))
        tick.draw(win)
    for i in range(1, 5):
        f = i ** 2
        pt = Point(i, f)
        pt.setFill("red")
        pt.draw(win)
        tickmark = Line(Point(i, -.5), Point(i, .5))
        tickmark.draw(win)
    win.getMouse()
    win.close()
main()