Docs: simplify turtle tutorial's star example code - #155232
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distance(start) should be easier to understand than counting the length of a vector
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Co-authored-by: Stan Ulbrych <stan@python.org>
StanFromIreland
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Aug 9, 2026
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Just one little suggestion for something we can fix while we're here.
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Can you please update this error message, on 3.15 we have:
>>> from turtle import *
Traceback (most recent call last):
File "<python-input-0>", line 1, in <module>
from turtle import *
File "/home/stan/dev/cpython/Lib/turtle.py", line 101, in <module>
import tkinter as TK
File "/home/stan/dev/cpython/Lib/tkinter/__init__.py", line 38, in <module>
import _tkinter # If this fails your Python may not be configured for Tk
^^^^^^^^^^^^^^^
ModuleNotFoundError: Standard library module '_tkinter' was not found
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Or does it require some generalisation as different environments can have the error message customised? 🤔
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Or does it require some generalisation as different environments can have the error message customised?
In that case, it will hopefully be more helpful and will include instructions.
| from turtle import * | ||
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| If you run into a ``No module named '_tkinter'`` error, you'll have to | ||
| If you run into a ``Standard library module '_tkinter' was not found`` error, you'll have to |
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Can you wrap the line please.
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distance(start)should be easier to understand for students than counting the length of the position vector.The changed code is equivalent to the original, doesn't change the drawing.
cc @evildmp (author of the docs fragment)