Gráficos: el módulo turtle

 codigo del programa 1:

from turtle import *

setup(450, 150, 0, 0)
title("Ejemplo de ventana")
done()

 codigo del programa 2:

from turtle import *

title("Ejemplo de ventana")
done()

 codigo del programa 3:

from turtle import *

setup(250, 100, 0, 0)
title("Ejemplo de ventana")
hideturtle()
dot(10, 0, 0, 0)
setup(450, 150, 0, 0)
done()

 codigo del programa 4:

from turtle import *

setup(450, 150, 0, 0)
screensize(10, 10)
done()

 codigo del programa 5:

from turtle import *

setup(150, 150, 0, 0)
screensize(300, 300)
done()

 codigo del programa 6:

from turtle import *

setup(450, 150, 0, 0)
screensize(400, 300)

done()

 codigo del programa 7:

from turtle import *

setup(250, 100, 0, 0)
screensize(100, 100)
hideturtle()
dot(10, 0, 0, 0)
screensize(200, 100)
done()

 codigo del programa 8:

from turtle import *
setup(450, 150, 0, 0)
screensize(300, 150)

showturtle()

done()

 codigo del programa 9:

from turtle import *

setup(450, 150, 0, 0)
screensize(300, 150)

goto(100, 0)

done()

 codigo del programa 10:

from turtle import *

setup(450, 150, 0, 0)
screensize(300, 150)

goto(100, 0)
hideturtle()
done ()

 codigo del programa 11:

from turtle import *

setup(450, 150, 0, 0)
screensize(300, 150)

hideturtle()
goto(100, 0)
done()

 codigo del programa 12:

from turtle import *

setup(450, 200, 0, 0)
screensize(300, 150)

goto(0, 0)
done()

 codigo del programa 13:

from turtle import *

setup(450, 200, 0, 0)
screensize(300, 150)

goto(100, 50)
done()

 codigo del programa 14:

from turtle import *

setup(450, 200, 0, 0)
screensize(300, 150)

goto(100, 50)
goto(100, -50)
goto(50, -50)
done()

 codigo del programa 15:

from turtle import *

setup(450, 200, 0, 0)
screensize(300, 150)

goto(100, 50)
sety(-50)
setx(50)
done()

 codigo del programa 16:

from turtle import *

setup(450, 200, 0, 0)
screensize(300, 150)

goto(100, 50)
penup()
goto(100, -50)
pendown()
goto(50, -50)
done()

 codigo del programa 17:

from turtle import *

setup(450, 200, 0, 0)
screensize(300, 150)

goto(100, 50)
pensize(4)
goto(100, -50)
pensize(8)
goto(50, -50)
done()

 codigo del programa 18:

from turtle import *

setup(450, 200, 0, 0)
screensize(300, 150)
colormode(255)

pencolor(255, 0, 0)
goto(100, 50)
pencolor(0, 255, 0)
goto(100, -50)
pencolor(0, 0, 255)
goto(50, -50)
done()

codigo del programa 19:

from turtle import *

setup(450, 200, 0, 0)
screensize(300, 150)
colormode(255)

goto(100, 50)
dot(10, 255, 0, 0)
goto(100, -50)
dot(10, 0, 255, 0)
goto(50, -50)
dot(10, 0, 0, 255)
goto(0,0)
done()