Category "list"

How to search for a string in a list of lists?

I have a list of lists like the below: pb_file = [ ['n012345_y','n012345_e','n023561234_u','n012345_p','n012345_k'] ['n124536_i','n1542453_m','n10978_k

How to break a list in multiple columns with Bootstrap 4?

With Bootstrap 4, how can I have something like this: [ 1 ] [ 4 ] [ 2 ] [ 5 ] [ 3 ] [ 6 ] In other words, how to break a list into two equal columns, orderin

Cache-friendliness std::list vs std::vector

With CPU caches becoming better and better std::vector usually outperforms std::list even when it comes to testing the strengths of a std::list. For this reason

Inconsistent Accessibility in Lists c#

I'm following an RPG c# tutorial, and have come across this error. It is not explained in the tutorial, and I'm unsure what i did wrong. Here is the class: usin

Fastest way to remove duplicates in a list without importing libraries and using sets

I was trying to remove duplicates from a list using the following code: a = [1,2,3,4,2,6,1,1,5,2] res = [] [res.append(i) for i in a if i not in res] But I wou

How Do I Return a Different Value When Iterating Over a List of Lists

ISSUE I have a FOR loop that creates a list of lists where each entry consists of the input and associated output. I can't figure out how to iterate over the o

How to print two lists of different size side by side?

I have two lists of different length that I want to print side by side, separated by a tab. As an example: a_list = ["a","b","c","d","e"] b_list = ["f","g","h"

What is the purpose of [marks for name, marks in marksheet]

Here is the code marksheet = [] for _ in range(0,int(input())): marksheet.append([input(), float(input())]) second_highest = sorted(list(set([marks for

R - Nested list to (wide) dataframe

I currently have the following problem: I extracted some data via the crunchbase API, resulting in a big nested list of the following structure (there are many

Assign the result of a loop to a variable in Python

Consider a list I want to parse using a for : friends = ["Joe", "Zoe", "Brad", "Angelina", "Zuki", "Thandi", "Paris"] for i in friends: print i will retur

Why do I need Comparable for PriorityQueue?

I'm learning about Queue Collection and I don't understand why do I need to implement Comparable interface if I use PriorityQueue? I have used Comparable and Co

How can I get branch of a networkx graph as a list from pandas dataframe in Python?

I have a pandas dataframe df which looks as follows: From To 0 Node1 Node2 1 Node1 Node3 2 Node2 Node4 3 Node2 Node5 4 Node3 Node6 5 No

plotting data from a list in python

I need to plot the velocities of some objects(cars). Each velocity are being calculated through a routine and written in a file, roughly through this ( I have

how to remove duplicated elements from a list without using set()?

Let a = np.array([1, 1, 1,1,1,1]) b = np.array([2,2,2]) be two numpy arrays. Then let c = [a]+[b]+[b] clearly, c has duplicated elements b. Now I wish to

python tkinter append list

I am an amateur python programer with 2 months of experience. I am trying to write a GUI to-do list through tkinter. The actual placement of the buttons are n

How do i make a recursive function in python which does the following? magic list

I've got an assignment in which I need to code a recursive function (with no loops) in python that returns: [[]] if n is 1 [[],[[]]] if n is 2 [[],[[]],[[],[[]]

Finding the index wise maximum values of two lists

Lets say I have 2 lists: L1 = [2,4,1,6] L2 = [1,5,2,3] The output should be a new list that contains the biggest numbers found in L1 or L2 based on their pos

How do I multiply each element in a list by a number?

I have a list: my_list = [1, 2, 3, 4, 5] How can I multiply each element in my_list by 5? The output should be: [5, 10, 15, 20, 25]

Find the list of Google Container Registry public images

Where can I find the list of GCR public images? In case of docker images, we can list it in hub.docker.com. But I couldn't find anything like that for GCR.

myFile.write(item+"\n") TypeError: unsupported operand type(s) for +: 'int' and 'str'

Getting error: myFile.write(item+"\n") TypeError: unsupported operand type(s) for +: 'int' and 'str' and not sure why. Where shall I add the int? This i