http://ipython.readthedocs.io/en/stable/interactive/magics.html

%doctest_mode

Toggle doctest mode on and off.

This mode is intended to make IPython behave as much as possible like a 
plain Python shell, from the perspective of how its prompts, exceptions and 
output look. This makes it easy to copy and paste parts of a session into 
doctests. It does so by:

   - Changing the prompts to the classic >>> ones.
   - Changing the exception reporting mode to ‘Plain’.
   - Disabling pretty-printing of output.

Note that IPython also supports the pasting of code snippets that have 
leading ‘>>>’ and ‘...’ prompts in them. This means that you can paste 
doctests from files or docstrings (even if they have leading whitespace), 
and the code will execute correctly. You can then use ‘%history -t’ to see 
the translated history; this will give you the input after removal of all 
the leading prompts and whitespace, which can be pasted back into an editor.

With these features, you can switch into this mode easily whenever you need 
to do testing and changes to doctests, without having to leave your 
existing IPython session.

On Friday, December 15, 2017 at 8:38:10 AM UTC-6, Dave Jones wrote:
>
> I'm new to Spyder so maybe I'm missing something?
>
> Inside Spyder 3.2.4-py36h908396f_0 via conda 4.3.30 on Mac OSX 10.12.3
>
> Python 3.6.3 |Anaconda, Inc.| (default, Dec  5 2017, 17:30:25)
> Type "copyright", "credits" or "license" for more information.
>
> IPython 6.2.1 -- An enhanced Interactive Python.
>
> Restarting kernel... 
>
> In [1]: %doctest_mode
> Exception reporting mode: Plain
> Doctest mode is: ON
>
> In [2]: 
>
> Notice that the prompt did not change to >>>
>
> ----------
> [invoking from bash shell works s expected]
>
> localhost:~/miniconda3/bin/ipython3
> Python 3.6.3 |Anaconda, Inc.| (default, Dec  5 2017, 17:30:25)
> Type 'copyright', 'credits' or 'license' for more information
> IPython 6.2.1 -- An enhanced Interactive Python. Type '?' for help.
>
> In [1]:
>
> In [1]:
>
> In [1]: %doctest_mode
> Exception reporting mode: Plain
> Doctest mode is: ON
>
> >>>
>
> Is this cause for concern?
>
> Thanks
>
>

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