Question

Programming exercise. Number 25. Turtle Graphics: Checkerboard Write a turtle graphics program that uses the square function presented in this chapter, along with a loop (or loops) to draw the checkerboard pattern shown in Figure 5-32. Figure 5-32 Checkerboard pattern. Book Starting Out With Python $th Edition, Tony Gaddis

Answer 1

"""
  Python Program to print chess like checker board
"""

import turtle

turtle.speed(20)

def draw_box(t,x,y,size,fill_color):
  t.penup()
  t.goto(x,y)
  t.pendown()

  t.fillcolor(fill_color)
  t.begin_fill()

  for i in range(0,4):
    board.forward(size)
    board.right(90)

  t.end_fill()

def draw_checker_board():
  color1 = "black"
  color2 = "white"

  square_color = color1
  start_x = 0
  start_y = 0
  box_size = 40
  for i in range(0,8):
    for j in range(0,8):
      draw_box(board,start_x+j*box_size,start_y+i*box_size,box_size,square_color)
      square_color = color1 if square_color == color2 else color2
    square_color = color1 if square_color == color2 else color2

board = turtle.Turtle()
draw_checker_board()
turtle.done()

# Program ends here

Note: No colour or figure was given, that is why it is kept black and white. Please change the colour and size accordingly or drop comments for queries.