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Showing posts with the label Itertools

Group And Combine Items Of Multiple-column Lists With Itertools/more-itertools In Python

This code: from itertools import groupby, count L = [38, 98, 110, 111, 112, 120, 121, 898] groups… Read more Group And Combine Items Of Multiple-column Lists With Itertools/more-itertools In Python

Cartesian Product Of Nested Dictionaries Of Lists

I have some code that generates all the combinations for a dictionary of lists import itertools imp… Read more Cartesian Product Of Nested Dictionaries Of Lists

Python List Group By Date

Say I have a list looks like this: [(datetime.datetime(2013, 8, 8, 1, 20, 15), 2060), (datetime.dat… Read more Python List Group By Date

Group By And Aggregate The Values Of A List Of Dictionaries In Python

I'm trying to write a function, in an elegant way, that will group a list of dictionaries and a… Read more Group By And Aggregate The Values Of A List Of Dictionaries In Python

How To Calculate The Number Of All Possible Combinations For A Range Of Numbers From 1 To N?

Other than doing this: from itertools import combinations def brute_force(x): for l in range (1… Read more How To Calculate The Number Of All Possible Combinations For A Range Of Numbers From 1 To N?

Python String Replacement, Generating All Possible Combinations

I work with strings, each having a dynamic amount of optional variables in parenthesis: (?please) t… Read more Python String Replacement, Generating All Possible Combinations

How Do I Convert Python's Itertools.product Library From A List Comprehension To Normal For Loops?

According to http://docs.python.org/2/library/itertools.html#itertools.product the following functi… Read more How Do I Convert Python's Itertools.product Library From A List Comprehension To Normal For Loops?

How To Make Combination, If Any One Of The Element Exists That Can Be Added To Make Sum?

To find all possible combinations that can be added to make given sum. Combinations can be formed w… Read more How To Make Combination, If Any One Of The Element Exists That Can Be Added To Make Sum?