Convert 2d list to 1d python

import itertools

a = [[1, 2], [3, 4], [5, 6]]
list(itertools.chain.from_iterable(a))

Output:- [1, 2, 3, 4, 5, 6]

Pass 2d array to 1d python

# Create a 2D Numpy Array.
arr = np. array([[0, 1, 2],
[3, 4, 5],
[6, 7, 8]])
# convert 2D array to a 1D array of size 9.
flat_arr = np. reshape(arr, 9)

Similar codes

0 vote114 views2 answers
Add a column while iterating rows pandas
Python
0 vote117 views1 answer
Pytesseract pdf to text
Python
7 votes120 views4 answers
How to count number of columns in dataframe python
Python
1 vote105 views1 answer
How to open local html file in python
Python
1 vote116 views1 answer
Como deixar todas as letras maiusculas no python
Python
15 votes112 views1 answer
Python add to list with index
Python
2 votes115 views1 answer
Creating a new folder in python
Python
0 vote119 views1 answer
Django edit model without loading from db
Python
0 vote121 views2 answers
Return a list python
Python
1 vote121 views1 answer
Python sleep random
Python