import histogram as bh import cpp_filler h = bh.histogram(bh.axis.regular(5, -5, 5, "x"), bh.axis.regular(5, -5, 5, "y")) cpp_filler.process(h) # histogram is filled with input values in c++ for iy in range(h.axis(1).bins): for ix in range(h.axis(0).bins): print "%3i" % h.value(ix, iy), print