All Questions
998
questions
1
vote
1
answer
53
views
Netlogo: efficient iteration using 'foreach'
I want to calculate and store two certain quantities associated with turtles' properties, namely count how many turtles meet a condition and the sum of these turtles' specific attribute. That specific ...
- 21
0
votes
0
answers
22
views
Is there a reason that Python allows indexing the class list itself? [duplicate]
I have come across a "feature" of Python that allows one to index the list class (and all classes that implement __getitem__() AFAIK). It took me a non-trivial amount of time to uncover that ...
- 118
-1
votes
2
answers
75
views
Going back to an earlier index in list iteration
I have this loop over a list:
MyList = ["test", "test2", "test3", "test4", "test5", "test6", "test7"]
for item in MyList:
...
-2
votes
2
answers
107
views
Python: best way to iterate through lists and store which has max value for each index
In Python (3.8), I have 15 lists of the same length.
Each list contains floats.
Here for the example, I will pretend I have 3 lists of length 5 to demonstrate my problem:
List1 = [29.561801, 29.564141,...
- 39
0
votes
2
answers
56
views
Python - Iterating through nested dictionaries to populate a list based on values - Encounter 'str' object has no attribute 'items'
I'm creating a code that should allow a user to select multiple objects from a list.
Each user has an allotted amount of space, and each object has a specified size.
I'm trying to populate the list ...
0
votes
1
answer
40
views
Tkinter: Listbox not populating from function call, populates from list
I have a function that creates a list, and another that's supposed to populate a tkinter listbox with the items from that list. When a radio button is clicked the contents of the listbox should update....
- 27
0
votes
0
answers
20
views
In python, iteration over specific condition with dataframe row not working
Help me in correcting the logic to attain the expected output.
import pandas as pd
# Sample DataFrame
data = {
'phase': ['aaa', 'bbb', 'ccc', 'ddd', 'eee'],
'phase_input': ['NULL', 'io.flow,...
- 509
0
votes
0
answers
22
views
How can I use a for loop to strip parens from list elements and print them one at a time? [duplicate]
I have a list from an n_choose_k operation. The list is composed of number combinations that are each surrounded by parentheses.
import itertools
number = 9
k = 3
n = range(1,number)
combos = list(...
- 63
-1
votes
2
answers
56
views
How to remove elements from list while iterating [duplicate]
hey I have a issue where i want to remove some elements from a list, the problem is it change the index and them don't know how to remove the index that actually need next
so it remove "salt"...
- 1
0
votes
1
answer
54
views
Iterate over a list to update PySpark df column
Need to add a new column to PySpark DF based on conditions by iterating over a list.
new_line_id = array('a', 'b', 'c')
Input DF (LineID is not the PK in this DF):
Line ID
M
null
T
null
null
P
...
- 192
0
votes
1
answer
57
views
Read nested list with other attributes in Java streams
I have a list of object for example Person in turn have couple of lists with few generic attributes like below
List<Address> address1 = List.of("1","2","5","6&...
- 87
1
vote
1
answer
53
views
R code to iterate over lists, combining them into a data frame with grouping variables?
I am tasked with collecting table names, grouping variables, variable names, and variable values from a large number of complex XML Esri Workspace files. At the most basic level, I am having trouble ...
- 13
-1
votes
1
answer
52
views
How to iterate over a list of dictionaries in Python
Edit: Apologies - after reading the comments I realized this is a dictionary of dictionaries(?)
The answer that solved this is to change it to ...price_list["market"].values() in the for ...
- 31
0
votes
2
answers
187
views
Function for converting columns of a data frame into key value pairs
I have a dataframe (these are just sample columns for reference, the actual number of columns is quite large)
id
A
B
C
D
123
24
98
74
32
456
65
90
61
96
I would like to convert it into a data ...
- 13
1
vote
1
answer
46
views
How can I put the elements in the list next to the print out of the dictionary values?
DESIRED OUTPUT:
Proportion of 1- letter words: 4.76% (1231 words)
Proportion of 2- letter words: 16.14% (4177 words)
Proportion of 3- letter words: 20.33% (5261 words)
Proportion of 4- letter words: ...
