text: import turtle
  from turtle import Turtle, Screen
  a = turtle.Turtle()
  screen = Screen()
  a.shape('turtle')
  print('Welcome to sketch n draw')
  print('select your color 1 and 2')
  color_1 = (input('color 1: '))
  color_2 = (input('color 2: '))
  print('ok! your colors are ' + color_1 + (' and ') + color_2)
  print("changed pad's color according to the requirments")
  a.color(color_1, color_2)
  print('So now you can proceed to draw')
  while 1 == 1:
      x = (input('enter command: '))
      if x == ('For()'):
          y = int(input('enter the distance: '))
          a.forward(y)
      if x == ('size-pen()'):
          z = int(input('enter new pensize: '))
          a.pensize(z)
      if x == ('Bac()'):
          o = int(input('select distance: '))
          a.backward(o)
      if x == ('dir;dig()'):
          ol = int(input('enter degrees: '))
          olv = input('enter direction: ')
          if olv == ('right'):
              a.right(ol)
          if olv == ('left'):
              a.left(ol)
      if x == ('set-cor()'):
          color_1 = (input('color 1: '))
          color_2 = (input('color 2: '))
          a.color(color_1, color_2)
      if x == ('"'):
          import sys
          sys.exit()
      if x == ('on-mouse'):
          print('sketch with mouse enabled, now you can not use any other function')
          def drag(x, y):
              a.ondrag(None)
              a.setheading(a.towards(x, y))
              a.goto(x, y)
              a.ondrag(drag)
          def cr():
              a.clear()
          def main():
              turtle.listen()
              a.ondrag(drag)
              turtle.onscreenclick(cr(), 3)
              screen.mainloop()
          main()
  