how to use idl in python code example

Example: how to use idl in python

>>> from idlpy import IDL
>>> arr = IDL.findgen(100)/50*3.14159
>>> x = 50*IDL.sin(arr)
>>> y = 50*IDL.cos(arr)
>>> m = IDL.map(test=1)
% Compiled module: MAP.
>>> p = IDL.plot(x - 90, y, 'r-o2', overplot=1)
% Compiled module: PLOT.
>>> p = IDL.plot(x + 90, y, 'b-o2', overplot=1)
>>> m.save('map.png', resolution=96, border=0, transparent=1)