Questions tagged [list]
The list tag may refer to: a linked list (an ordered set of nodes, each referencing its successor), or a form of dynamic array. Not to be used for HTML lists, use [html-lists] instead.
142,720
questions
-10
votes
1
answer
6k
views
How to generate a random word
I don't know how I would take a word from a list in Python 3.3. This is my current code:
print(random.randstr("blue","red","green","yellow"))
And I get this error:
print(random.randstr("blue","red",...
-11
votes
1
answer
154
views
Remove element from a Python list until found a specific character
Hello I have this Python List
carachter = "@"
list = ['Montpellier', 'Saint-Etienne', '@', 'Strasbourg', 'Reims', '@', 'PSG', 'Olympique Lyonnais', '21:05', 'SPAL', 'Sassuolo', '@', 'Genoa', '...
-11
votes
2
answers
559
views
return the list with strings with single occurrence [closed]
given list of strings, need to return the list with strings that have no duplication (single occurrence) using java (stream)
I have tried using distinct but it wont get single accurances
-11
votes
1
answer
219
views
How to get the sum of the elements of a list? [closed]
How can I get the sum of the elements of a list?
i.e,
f = [1,8,3]
sum(f)=12?
-11
votes
2
answers
119
views
Eliminate nested empty lists from a list
I am new to Python and want to ask this question. I have a list that has many types inside it, like int, list, empty list, float, string and I want to create an option to remove any type according to ...
-11
votes
1
answer
75
views
How to replace a word found in a string with what is in the list in Python
My string is below:
word = "Continue: Lifetime Benefits in Running, Volume 1, Issue 1, February 2018"
My list is:
italic_list = ['Continue', ': Lifetime Benefits in Running', ' February 2018']
I ...
-11
votes
1
answer
234
views
Set operations without using data type Set() [duplicate]
Problem:
Here's a list as an input [A,B,C,E]
Output:
[A,B]
[A,C]
[A,E]
[B,C]
[B,E]
[C,E]
Basically, I want to take the union of the list with itself.
Here's the code:
pageSet_list = ['A', 'B', '...
-12
votes
1
answer
837
views
Sum of Squares of List Elements [closed]
Write a function sum_of_squares(xs) that computes the sum of the squares of the numbers in the list xs. For example, sum_of_squares([2, 3, 4]) should return 4+9+16 which is 29:
-12
votes
3
answers
123
views
Error 1 ) expected for add a string in list [closed]
Why is this error?
How to fix this error?
The semicolons are wrong
List<string> codeForPortal=new List<string>();
codeForPortal.Add("<script type="text/javascript" ...
-12
votes
1
answer
195
views
Can Someone Explain What Just Happened (Python) [closed]
I was working on my AI pathfinding(which you don't need to understand),
for some reason, my On[3] list was expanding when I did this in the shell:
tempList.append([On[1]-1])
(After the program messed ...
-13
votes
2
answers
119
views
how to convert list to dictionary? [closed]
I have this:
l = ["a" ,"b" ,"c" ,"d" ,"e" ,"i" ,"i" ,"e"]
and I want it like that and with quantity of every key:
l = {"a":"1", "b":"1", "c":"1", "d":"1", "e":"2" ,"i":"2"}
-13
votes
1
answer
135
views
How can i make a set in my list in python?
I need to make this
[['#', '#', '#', '#', '#', '#', '#'], ['#', ' ', ' ', ' ', ' ', ' ', '#'], ['#', ' ', '$', '+', '$', ' ', '#'], ['#', '.', '*', '#', '*', '.', '#'], ['#', ' ', '$', '.', '$', ' ', ...
-13
votes
1
answer
3k
views
How can I create an empty 3d multidimensional array
This code is my attempt at creating an empty 3d array.
n=3
board = [[[ 0 for _ in range(n)]
for _ in range(n)]
for _ in range(n)]
print(board)
So, what that creates is ...
-13
votes
1
answer
74
views
Compare in Python two lists and create a new one that is combinated [closed]
I have two lists that look like this :
a = [{"service" : "yoga", "price": 30}, {"service": "golf", "price" : 40}]
b = ["basketball", "yoga", "soccer", "golf"]
I'd like to compare the list and return ...
-13
votes
2
answers
1k
views
Check if there is a number near the same number in a list - python [duplicate]
I want to check if for example the int 2 comes after or before another 2:
list = [2, 2, 3]
if 2 and 2 in list:
print "True"
And if the list is this:
list = [2, 3, 2]
print "False"
thx
-13
votes
5
answers
7k
views
How to merge list of dictionaries in python in shortest and fastest way possible?
I want to merge list of dictionaries in python. The number of dictionaries contained inside the list is not fixed and the nested dictionaries are being merged on both same and different keys. The ...
-13
votes
4
answers
287
views
Python 3: How to create a list to print its every element on a new line - without loops or sep = "\n"
Let's say I have a list 'mylist'. For example, I prepared it like this:
mylist = ['AB', 'CD', 'EF']
I need to print out each element of 'mylist' on a new line.
However, I am not allowed to use loops ...
-14
votes
1
answer
116
views
How to change the value of a key in a nested dictionary in Python [closed]
{
{'city':1 ,'person':{'name': 'John', 'age': '27'}},
{'city':2 ,'person':{'name': 'Marie', 'age': '22'}},
{'city':3 ,'person':{'name': 'Luna', 'age': '24'}},
{'city':4 ,'person':{'name': 'Peter', ...
-15
votes
3
answers
180
views
I want to create a sorted list of nom duplicated
I need to create a sorted list with billions of elements and then create a second list without duplicate elements containing the first letter of each element of the first list and the position of this ...