Skip to content Skip to sidebar Skip to footer
Showing posts with the label Itertools

Python How To Iterate Over Nested Dictionary And Change Values?

I have data that looks as follows {'exchange1': [{'price': 9656.04, 'side':… Read more Python How To Iterate Over Nested Dictionary And Change Values?

How To Create All Combinations Column Wise For Multiple Variables In Pandas?

For a given range for n variables. I have taken n=3 as an example. A : [1,3] B: [5,10,12] C: [100,… Read more How To Create All Combinations Column Wise For Multiple Variables In Pandas?

Generating Binary Numbers Of Size N As Tuples : Itertools.product(*[(0, 1)] * N)

I just found this instruction itertools.product(*[(0, 1)] * n) posted by PAG. Can someone explain… Read more Generating Binary Numbers Of Size N As Tuples : Itertools.product(*[(0, 1)] * N)

How Can I Iterate Through The Result Of Itertools.product()?

I am trying to implement a Q-Learning algorithm, my state-space contains all possible combinations … Read more How Can I Iterate Through The Result Of Itertools.product()?

Itertools Product To Generate All Possible Strings Of Size 3

Input: pos_1= 'AVNMHDRW' pos_2= 'KNTHDYBW' pos_3= 'KVNGSDRB' Trying to fi… Read more Itertools Product To Generate All Possible Strings Of Size 3

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

Group List Of Tuples By Item

I have this list as example: [(148, Decimal('3.0')), (325, Decimal('3.0')), (148, D… Read more Group List Of Tuples By Item

Iterate Over Array Twice (cartesian Product) But Consider Only Half The Elements

I am trying to iterate over an array twice to have pairs of elements (e_i,e_j) but I only want the … Read more Iterate Over Array Twice (cartesian Product) But Consider Only Half The Elements

Sorting A Python Dictionary After Running An Itertools Function

This question is the culmination of two pieces of code guided by two answers here on SO. The first … Read more Sorting A Python Dictionary After Running An Itertools Function

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?

Outputting All Possible Permutations Of Multiple Lists

I am very new to Python and have only just bought my first 'Crashcourse in Python' book - o… Read more Outputting All Possible Permutations Of Multiple Lists

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

Aggregate All Dataframe Row Pair Combinations Using Pandas

I use python pandas to perform grouping and aggregation across data frames, but I would like to now… Read more Aggregate All Dataframe Row Pair Combinations Using Pandas

Get All The Partitions Of The Set Python With Itertools

How to get all partitions of a set? For example, I have array [1, 2, 3]. I need to get [[1], [2], … Read more Get All The Partitions Of The Set Python With Itertools

Summing Nested Dictionary Entries

I have a JSON file that I'm reading in as a dictionary. What I have is something like: … Read more Summing Nested Dictionary Entries

Python - Group Dates By Month

Here's a quick problem that I, at first, dismissed as easy. An hour in, and I'm not so sure… Read more Python - Group Dates By Month

How To Chunk A Csv (dict)reader Object In Python 3.2?

I try to use Pool from the multiprocessing module to speed up reading in large csv files. For this,… Read more How To Chunk A Csv (dict)reader Object In Python 3.2?

How Can I Make An Unique List Cells?

I have a txt file which looks like below including 4 rows as an example and each row strings are se… Read more How Can I Make An Unique List Cells?

How To Generate Combination Of Fix Length Strings Using A Set Of Characters?

In Python, how can I generate a string with all combinations of a set of characters up to a certain… Read more How To Generate Combination Of Fix Length Strings Using A Set Of Characters?

Get Length Of A (non Infinite) Iterator Inside It's Loop Using Python 2.7

I'm working with some iterator generated using itertools.imap, and I was thinking if there is a… Read more Get Length Of A (non Infinite) Iterator Inside It's Loop Using Python 2.7