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Showing posts with the label Set

Why Is `{*l}` Faster Than `set(l)` - Python Sets (not Really Only For Sets, For All Sequences)

So here is my timings: >>> import timeit >>> timeit.timeit(lambda: set(l)) 0.7210… Read more Why Is `{*l}` Faster Than `set(l)` - Python Sets (not Really Only For Sets, For All Sequences)

Generating A Set From Given Sets Such It's Intersection With All The Sets Is Different From {}

i have been trying to figure out an effective algorithm that returns a set such as it's interse… Read more Generating A Set From Given Sets Such It's Intersection With All The Sets Is Different From {}

How Do You Find Common Sublists Between Two Lists?

How do you find or keep only the sublists of a list if it the sublist is also present within anothe… Read more How Do You Find Common Sublists Between Two Lists?

Python Takes List And Returns Only If Negative Value Also Exists Using Set

Basically I have a big list: # where (n) is over a couple hundred thousand or is 1 million def big_… Read more Python Takes List And Returns Only If Negative Value Also Exists Using Set

How To Check If All Elements In A Tuple Or List Are In Another?

For example, I want to check every elements in tuple (1, 2) are in tuple (1, 2, 3, 4, 5). I don'… Read more How To Check If All Elements In A Tuple Or List Are In Another?

Preserving The Order In Difference Between Two Lists

I have two lists l and l_match. l_match is an empty list. l = ['gtttaattgagttgtcatatgttaataacg… Read more Preserving The Order In Difference Between Two Lists

Determining If A Value Is In A Set In Tensorflow

The tf.logical_or, tf.logical_and, and tf.select functions are very useful. However, suppose you ha… Read more Determining If A Value Is In A Set In Tensorflow

Python Iteration Order On A Set

I am parsing two big files (Gb size order), that each contains keys and corresponding values. Some … Read more Python Iteration Order On A Set

Please Explain "set Difference" In Python

Trying to learn Python I encountered the following: >>> set('spam') - set('ham… Read more Please Explain "set Difference" In Python

Why Do I Get An Unhashable Type 'list' Error When Converting A List To A Set And Back

Like many other questions on here, I'm attempting to remove duplicates from a list. However, wh… Read more Why Do I Get An Unhashable Type 'list' Error When Converting A List To A Set And Back

Adding Values To Set Contained In Multiprocessing.manager().list()

I am trying to update a Manager().list() of sets with tuples but having trouble getting anything to… Read more Adding Values To Set Contained In Multiprocessing.manager().list()

Lambda Versus List Comprehension Performance

I recently posted a question using a lambda function and in a reply someone had mentioned lambda is… Read more Lambda Versus List Comprehension Performance

How To Create Dataframes Iterating Over A Set?

I have this dataframe: d = {'city':['Barcelona','Madrid','Rome',… Read more How To Create Dataframes Iterating Over A Set?

List Comprehension And Intersection Problem

list(set(a[0]) & set(a[1]) & set(a[2]) & set(a[3]) & set(a[4])) Does anyone know h… Read more List Comprehension And Intersection Problem

Working Out Dependent Groups

Using the following function I can generate some test data. import random, string a = list(string.a… Read more Working Out Dependent Groups

Separating Nltk.freqdist Words Into Two Lists?

I have a series of texts that are instances of a custom WebText class. Each text is an object that … Read more Separating Nltk.freqdist Words Into Two Lists?

Grouping Integers By Set Membership In Python

Working in Python, given a list of N sets of integers from the range range(s,n), how can I build a … Read more Grouping Integers By Set Membership In Python

What Is The Difference Between Lists,tuples,sets And Dictionaries?

I have confused with lists, tuples, sets and dictionaries someone give me clear cut idea. Give me t… Read more What Is The Difference Between Lists,tuples,sets And Dictionaries?

How I Can Fix This Error? TypeError: List Indices Must Be Integers Or Slices, Not Str

I have a list like this: mylist[1:3]=[{'Keywords': 'scrum master', 'result… Read more How I Can Fix This Error? TypeError: List Indices Must Be Integers Or Slices, Not Str

Case Insensitive For Sets In Python

I have a list that is generated from multiple lists. This combined list contains names that are gen… Read more Case Insensitive For Sets In Python