python pyplot graph margins

matplotlib.pyplot.margins(*args, **kw)

Set or retrieve autoscaling margins.
signatures:

margins()

returns xmargin, ymargin

margins(margin)

margins(xmargin, ymargin)

margins(x=xmargin, y=ymargin)

margins(..., tight=False)

 

  http://matplotlib.org/1.3.1/api/pyplot_api.html#matplotlib.pyplot.margins