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Questions - python-itertools

Combination of elements of different lists or tuples

I would like to get all the possible combinations between the elements of different lists or arrays. Let's say I have L1 = [A,B] and L2 = [C,D]. If I somehow use itertools.combination for Python to lo...
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FedericoAC

python

combinations

python-itertools

Votes: 0

Answers: 1

Latest Answer

Perhaps itertools.product: >>> from itertools import product >>> L1 = ['A', 'B'] >>> L2 = ['C', 'D'] >>> list(product(L1, L2)) [('A', 'C'), ('A', 'D'), ('B', 'C'), ...
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Andrej Prsa

Fill a dataframe with Carthesian product of variably shaped input lists

I want to create a script that fills a dataframe with values that are the Carthesian product of parameters I want to vary in a series of experiments. My first thought was to use the product function o...
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skleijn

python

python-itertools

experimental-design

Votes: 0

Answers: 1

Latest Answer

Another alternative without product (nothing wrong with product, though) could be to use .join() with how="cross" to produce successive cross-products: df2 = df.T.rename(columns=df.iloc[:, 0...
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Timus

How do I handle empty lists in nested for loops?

I am looking for a way to iterate through the product of two lists that can sometimes be empty. I was going to use itertools.product for that, so it would look like this: import itertools list1 = [1,...
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Janek Ziobro

python

python-itertools

Votes: 0

Answers: 2

Latest Answer

Put them in one variable and filter them to use only the non-empty ones: import itertools lists = [1, 2], [] for i in itertools.product(*filter(bool, lists)): print(i) Or if having them in sepa...
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Pychopath

python stoped iterator while trying to create lists of sequences and inserting it in excel using panda

I am trying to create a list of 6 numbers lists from 1 to 49 throw looping from 1 to 49 and creating all possible sets of 1 to 49 . the issue is that code stops at number 15 and in Pycharm nothing is ...
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rasha alasaad

python

loops

pycharm

sequence

python-itertools

Votes: 0

Answers: 1

Latest Answer

If I understand correctly, you are trying to find the possible combinations of 6 numbers sampled from the list [1, 2, 3, ..., 49] without replacement. But your code calculates the combinations of all ...
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