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Python 2 is the predecessor of Python 3 and its last version, Python 2.7 was formally released on July 3, 2010. Use this tag along with the main python tag to denote programs that are meant to be run on a Python 2 interpreter only. Do not mix this tag with the python-3.x tag.

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Code to find the sum of the product of all size-n combinations of an array

The title is a bit of a mouthful, so here's a quick example: You've got an array, maybe just the digits 1-3, and you want to get the sum of product of all size-2 combinations of the array. Those comb …
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Code to find the sum of the product of all size-n combinations of an array

For posterity, here's how this code can be done without a list comprehension: import numpy as np from itertools import combinations as comb subsetSize = 4 elements = 100 targetArray = np.random.ran …
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