All Questions
Tagged with python-itertools for-loop
79 questions
-1
votes
3
answers
97
views
Iterate over different lists
I'm trying to itterate over 2 different lists in python and after this itteration I want to get new list, which will include new data.
I have a code:
import itertools
current_week = [42,43,44,45,46]
...
- 38
0
votes
0
answers
52
views
Iterate through for loop indices
I have the following lines of code which I am converting to a function to iterate up to 'n' times
import numpy as np
x_set1 = np.array(x_set[0], x_set[0])
x_set2 = np.array(x_set[1], x_set[1])
...
- 1
0
votes
1
answer
130
views
problem with itertools permutations in combination with english_words_set in a for loop
I want to get all possible words with 5,6,7 characters from a random string: word="ualargd"
I do the following:
A for loop to change the length of my permutations.
for i in range(5,len(...
- 1,496
0
votes
2
answers
105
views
Python : Replace two for loops with the fastest way to sum the elements
I have list of 5 elements which could be 50000, now I want to sum all the combinations from the same list and create a dataframe from the results, so I am writing following code,
x =list(range(1,5))
t=...
- 2,189
0
votes
0
answers
33
views
Generate multiple nested for loops based on number of hyperparameters
I have augmentation methods to augment a given data set. These augmentation methods have different number of hyperparameters. Now I want to implement a generic Jupyter Notebook to iterate through the ...
- 171
0
votes
1
answer
106
views
Iterate over an array of lists without Itertools
I have an array of lists array_of_lists, of which I need every combination of elements. The number of elements of array_of_lists should not be predefined. The usual way would be to use itertools....
- 1
2
votes
1
answer
56
views
Iteration via expandable nested 'for' loops without itertools
I am trying to make a list of iterations of the alphabet with itself to the n-th power but I am unable to find an appropriate way of achieving this. I would rather not use itertools for the time being....
- 91
0
votes
2
answers
49
views
n FOR loops in python with changable iterable, need help understanding
I am doing a project which calculates how many combinations there are of a old-fashioned android lock screen. So the lock screen is a 3x3 shown on image where the first row is respectively A, B, C, ...
0
votes
1
answer
308
views
How can I use itertools to simplify this nested for loop?
How can I use itertools to simplify this nested for loop?
# pytest file:
def get_test_cases():
with open("file_path.yml", "r", encoding="utf-8") as index_file:
...
- 101
0
votes
3
answers
102
views
Listing Column Names with Itertools
I have this Dataframe:
STATE CITY TAX_C MATERIAL IG LIMIT
0 TX DALLAS 1 CARP 0 5
1 TX DALLAS 1 BLAY 0 10
And I've created a loop using ...
- 308
1
vote
2
answers
206
views
How to get unique pair from nested loop in Python
I am trying to find correlations between dataframe columns using nested loop.
import itertools
for col1 in df.columns:
for col2 in df.columns:
if col1!=col2 and col1 not in (["Country&...
- 426
0
votes
4
answers
104
views
Iterator to reverse a for loop's order of execution?
I have been searching the docs for itertools, as well as SO for a while now and have not yet found what I'm looking for. I'm hoping to reverse the order of execution of a for loop so the following ...
- 123
2
votes
1
answer
138
views
Two nested for loops involving itertools don't produce the permutations of the outer loop
I have the following bit of code:
a = [0,1,2,3,4]
b = range(6)
p = itertools.permutations(a)
p2 = itertools.product(b,b,b,b,b)
for pos in p:
for shift in p2:
print(pos,shift)
which ...
- 3,153
2
votes
1
answer
94
views
Skipping an Iteration in a Specific List when Iterating through Multiple Lists
This question is somewhat similar to this question, but different in that it entails multiple lists:
I have three lists:
a = [1, 2, 3, 4, 5, 6, 7]
b = ['ball', 'cat', 'dog', 'elephant', 'baboon', '...
- 527
1
vote
1
answer
274
views
Extending and optimizing 2D grid search code to N-dimensions (using itertools)
I have code for a 2D grid search and it works perfectly. Here is the sample code:
chinp = np.zeros((N,N))
O_M_De = []
for x,y in list(((x,y) for x in range(len(omega_M)) for y in range(len(omega_D))))...
- 25