Python Channel

Write a function list_files_walk that returns a list of the paths of all the parts.txt files, using… Read more Return A List Of The Paths Of All The Parts.txt Files

Is there a reason being list.append evaluating to false? Or is it just the C convention of returnin… Read more Why Does List.append Evaluate To False In A Boolean Context?

I a wrote a function SwapCities that is able to swap entries 3 and 4 in a list. So f.e. [0,1,2,3,4]… Read more Why Does My Original List Change?

From both Python2 Tutorial and Python3 Tutorial, there is a line in the midpoint of section 7.2.1 s… Read more In Python, What Is The Difference Between F.readlines() And List(f)

I have two lists: a = [10.0,20.0] and b = [1.0,10.0,15.0,20.0,30.0,100.0]. How can I remove from li… Read more Excluding Items From A List That Are In A Certain Range Using List Comprehension

I'm trying to convert this list: data = [{'A': 123}, {'B': 456}, {'C': … Read more Execution Order Of Nested Dictionary Comprehension

I am trying to match strings with an addition of 1 at the end of it and my code gives me this probl… Read more Invalid Value After Matching String Using Regex

I am using a library (pymatgen) in which a enum Orbital is defined. Each element can be defined as … Read more Syntax Error From List Comprehension With A Conditional

I'm using a basic spider that gets particular information from links on a website. My code look… Read more How To Append Items From Scrapy Spider To List?

I have an array of numpy arrays: a = [[1, 2, 3, 4], [1, 2, 3, 5], [2, 5, 4, 3], [5, 2, 3, 1]] I ne… Read more Numpy Delete List Element From List Of Lists

If I have a bit of Python like: n = [1, 3, 5, 1] n.remove(1) print n n will return [3, 5, 1] becau… Read more How To .remove All Matches In A Python List?

I am trying to write a function that makes a list. The function requires user input. The function w… Read more Python - Ask For Input Multiple Times Til A Certain Input Disables It

I have data where I need to return the values that are low by keeping the highest value or peak as … Read more Identifying The Highest Peak, And Return The Values That Is Low To The Right And Left Of Highest Peak, By Keeping The Highest Peak As Reference

Using Python, I want to randomly select people from a list and put them in groups of 5 without sele… Read more Selecting Random Values From List Until They Are Gone In Python

I spent a while looking through SO and seems I have a unique problem. I have a dictionary that look… Read more Converting A Dictionary With Lists For Values Into A Dataframe

What is the fastest (or most 'Pythonic') way to convert x = [False, False, True, True] int… Read more Python/numpy: Convert List Of Bools To Unsigned Int

Assuming I have a df: df=pd.DataFrame({'a':[1,2,3],'b':[4,5,6]}) All I want is to … Read more Add Constant List To Pandas Column

I have an assignment in which I must create a list of tuples from a string. I do this by splitting … Read more Sorting A List Of Two Element Tuples Numerically And Alphabetically

I have an Excel file(that I am exporting as a csv) that I want to parse, but I am having trouble wi… Read more Building List Of Lists From Csv File

Can someone please explain this bit of code please. >>> guest=['john','sue'… Read more Explain Python List Comprehension Technique