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  1. # your code goes here
  2. import turtle
  3.  
  4. turtle.forward(100)
Runtime error #stdin #stdout #stderr 0.11s 16816KB
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Standard input is empty
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Standard output is empty
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Traceback (most recent call last):
  File "./prog.py", line 4, in <module>
  File "<string>", line 6, in forward
  File "/usr/lib/python3.5/turtle.py", line 3812, in __init__
    Turtle._screen = Screen()
  File "/usr/lib/python3.5/turtle.py", line 3662, in Screen
    Turtle._screen = _Screen()
  File "/usr/lib/python3.5/turtle.py", line 3678, in __init__
    _Screen._root = self._root = _Root()
  File "/usr/lib/python3.5/turtle.py", line 434, in __init__
    TK.Tk.__init__(self)
  File "/usr/lib/python3.5/tkinter/__init__.py", line 1880, in __init__
    self.tk = _tkinter.create(screenName, baseName, className, interactive, wantobjects, useTk, sync, use)
_tkinter.TclError: no display name and no $DISPLAY environment variable
https://ideone.com/14fBRd
language:
Python 3 (python  3.9.5)
created:
6 years ago
visibility:
public

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