Empty array python

Python declare array of size n

>>> n = 5                     #length of list
>>> list = [None] * n         #populate list, length n with n entries "None"
>>> print(list)
[None, None, None, None, None]

>>> list.append(1)            #append 1 to right side of list
>>> list = list[-n:]          #redefine list as the last n elements of list
>>> print(list)
[None, None, None, None, 1]

>>> list.append(1)            #append 1 to right side of list
>>> list = list[-n:]          #redefine list as the last n elements of list
>>> print(list)
[None, None, None, 1, 1]

>>> list.append(1)            #append 1 to right side of list
>>> list = list[-n:]          #redefine list as the last n elements of list
>>> print(list)
[None, None, 1, 1, 1]

Source: stackoverflow.com

Empty array python

import numpy
my_array = numpy.zeros(shape=(row,column))

Similar codes

10 votes132 views2 answers
Merge 2 dataframes in python
Python
4 votes100 views3 answers
What is input function in python
Python
1 vote131 views1 answer
Remocve pyc files
Python
0 vote209 views1 answer
Pandas each row?
Python
3 votes133 views1 answer
GdScript string format
Python
0 vote158 views1 answer
Slug in redirect django
Python Django
14 votes139 views3 answers
Hello world flask python
Python
5 votes154 views2 answers
How to get unix timestamp in python
Python
0 vote127 views1 answer
Gspread how to put shhet number in a variable
Python
-2 votes182 views6 answers
Django download
Python Django