[Tutor] Problem with turtle

spir denis.spir at gmail.com
Thu Mar 11 20:11:57 CET 2010

```On Thu, 11 Mar 2010 10:11:28 -0500
Marco Rompré <marcodrompre at gmail.com> wrote:

> Hi! I am relatively new to python and turtle and I really need your help.
>
> Here what I wanted turtle to do: I created a function named carré which
> would draw a square with 3 different parameters (color, size, angle).
>                                               I did the same for a function
> named triangle that would draw an equilateral triangle with the same
> parameters
>                                               With the help of these 2
> functions I wanted turtle to draw a yellow square then lift my pointer let a
> space and then draw a blue triangle five times in a row.
>
> Here's my code: ignore my comments
>
> def carre(taille, couleur, angle):
>     "fonction qui dessine un carré de taille et de couleur déterminées"
>     color(couleur)
>     c=0
>     while c<4:
>         left(angle)
>         forward(taille)
>         right(90)
>         c = c+1

What is angle? Define its sense in the doc string. If it's the general orientation of the "carré", then you should use it only once, at start.

> def triangle(taille, couleur, angle):
>     "fonction qui dessine un triangle équilatéral de taille, de couleur et
> d'angle déterminés"
>     color(couleur)
>     c=0
>     while c<3:
>         left(angle)
>         forward(taille)
>         right(120)
>         c = c+1

Idem.

> from dessins_tortue import *
>
> n=0
> while n < 10 :
>     down()                         # abaisser le crayon
>     carre(25, 'yellow', 0)         # tracer un carré
>     up()
>     forward(30)
>     triangle(90, 'blue',0)
> n = n + 1

Last line is mis-indented (maybe copy-paste problem).

> If I am to vague I wanted to do successfully exercise 7.6 in Gérard Swinnen
> tutorial for Python
>
> It was supposed to look like this

???

Denis
________________________________

la vita e estrany

spir.wikidot.com

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