how to create an empty 2d list in python
#To create an empty 2d list of size n
l=[]
for i in range(n):
l.append([])
#To create an 2d list of size rows and columns
l=[[0 for j in range(len(column))]for i in range(len(row))]how to create an empty 2d list in python
#To create an empty 2d list of size n
l=[]
for i in range(n):
l.append([])
#To create an 2d list of size rows and columns
l=[[0 for j in range(len(column))]for i in range(len(row))]2d array python initialize
>>> b = [['a']*3]*3
>>> b
[['a', 'a', 'a'], ['a', 'a', 'a'], ['a', 'a', 'a']]
>>> b[1][1]
'a'
>>> b[1][1] = 'b'
>>> b
[['a', 'b', 'a'], ['a', 'b', 'a'], ['a', 'b', 'a']]2d array python initialize
[[element] * numcols] * numrowsCopyright © 2021 Codeinu
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