ob-python.el: questions about output

[R C <recifx@gmail.com>]

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The approach proposed for graphical output at
https://orgmode.org/worg/org-contrib/babel/languages/ob-doc-python.html is

````
#+begin_src python :results file

import matplotlib, numpy
matplotlib.use('Agg')
import matplotlib.pyplot as plt
fig=plt.figure(figsize=(4,2))
x=numpy.linspace(-15,15)
plt.plot(numpy.sin(x)/x)
fig.tight_layout()
plt.savefig('images/python-matplot-fig.png')
return 'images/python-matplot-fig.png' # return filename to org-mode
#+end_src
````

and to use :results output for displaying stdout.

1. Is it possible to have both types of output displayed from a single src
block to avoid having to duplicate the src block, using :exports results
for one and :exports both for the other?
2. Is there an option to suppress export of the the last line of the src
block which is specific to the ob-python implementation.

Thanks,
RC

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