Answer:
import simplegui
width = 600
height = 400
def draw(canvas):
# Water:
for x in range (1, 800, 120):
canvas.draw_circle ((x, 330), 60, 3, "Blue")
canvas.draw_line((1, 300), (width, 300), 70, "White")
# Boat
canvas.draw_circle((width/2, 280), 90, 5, "Black", "White")
canvas.draw_line((1, 220), (width, 220), 150, "White")
canvas.draw_line((210, 298), (390, 298), 5, "Black")
canvas.draw_line((width/2, 295),(width/2, 210), 5, "Black")
canvas.draw_line((width/2 + 60, 280),(width/2, 210),5, "Black")
canvas.draw_line((width/2 + 60, 280),(width/2, 280),5, "Black")
frame = simplegui.create_frame('Boat in Water', width, height)
frame.set_canvas_background("White")
frame.set_draw_handler(draw)
frame.start()