draw house in gasp

house.py

import sys
from gasp import *          # import everything from the gasp library

def draw_house_colored(x, y):
    begin_graphics(1024, 768, "Game", color.BLACK)            # open the graphics canvas

    Box((x + 20, y + 20), 100, 100, True, color.BLUE)     # the house
    Box((x + 55, y + 20), 30, 50, True, color.GREEN)       # the door
    Box((x + 40, y + 80), 20, 20, True, color.YELLOW)       # the left window
    Box((x + 80, y + 80), 20, 20, True, color.YELLOW)       # the right window
    Polygon([(x + 20, y + 120), (x + 70, y + 160), (x + 120, y + 120)], True, color.RED) # the roof

    update_when('key_pressed')  # keep the canvas open until a key is pressed
    end_graphics()              # close the canvas (which would happen
                                # anyway, since the script ends here, but it
                                # is better to be explicit).

def draw_house(x, y):
    begin_graphics(800, 600)            # open the graphics canvas

    Box((x + 20, y + 20), 100, 100)     # the house
    Box((x + 55, y + 20), 30, 50)       # the door
    Box((x + 40, y + 80), 20, 20)       # the left window
    Box((x + 80, y + 80), 20, 20)       # the right window
    Line((x + 20, y + 120), (x + 70, y + 160))  # the left roof
    Line((x + 70, y + 160), (x + 120, y + 120)) # the right roof

    update_when('key_pressed')  # keep the canvas open until a key is pressed
    end_graphics()              # close the canvas (which would happen
                                # anyway, since the script ends here, but it
                                # is better to be explicit).

def draw_just_house(x, y):
    """Draw the house assuming that the canvas has already been initialized"""
    Box((x + 20, y + 20), 100, 100, True, color.BLUE)     # the house
    Box((x + 55, y + 20), 30, 50, True, color.GREEN)       # the door
    Box((x + 40, y + 80), 20, 20, True, color.YELLOW)       # the left window
    Box((x + 80, y + 80), 20, 20, True, color.YELLOW)       # the right window
    Polygon([(x + 20, y + 120), (x + 70, y + 160), (x + 120, y + 120)], True, color.RED) # the roof

def do_main_one():
    x = input('Enter x: ')
    y = input('Enter y: ')
    draw_house_colored(x, y)

def do_main_two():
    # initialize
    begin_graphics(1024, 768, "Game", color.BLACK)            # open the graphics canvas
    
    # first row
    draw_just_house(0, 0)
    draw_just_house(200, 0)
    draw_just_house(400, 0)
    
    # second row
    draw_just_house(100, 140)
    draw_just_house(300, 140)

    # topmost row
    draw_just_house(200, 280)

    # cleanup
    update_when('key_pressed')  # keep the canvas open until a key is pressed
    end_graphics()              # close the canvas (which would happen

if __name__ == '__main__':
    do_main_two()