Shi Mu wrote: > what does the following code mean? It is said to be used in the > calculation of the overlaid area size between two polygons. > map(lambda x:b.setdefault(x,[]),a)
The equivalent of : def oh_my_yet_another_function_name_why_not_use_lambda(x): b.setdefault(x,[]) map(oh_my_yet_another_function_name_why_not_use_lambda, a) Or for x in a: b.setdefault(x,[]) -- http://mail.python.org/mailman/listinfo/python-list