Scanning 2d array in python

If you want to take n lines of input where each line contains m space separated integers like:

1 2 3
4 5 6 
7 8 9 

a=[] // declaration 
for i in range(0,n):   //where n is the no. of lines you want 
 a.append([int(j) for j in input().split()])  // for taking m space separated integers as input

Source: stackoverflow.com

How to input 2-d array in python

matrix = [input().split() for i in range(no_of_rows)] # if only row is given and the number of coloumn has to be decide by user
matrix= [[input() for j in range(no_of_cols)] for i in range(no_of_rows)] # if both row and coloumn has been taken as input from user

Similar codes

0 vote251 views1 answer
Python change function of object
Python
11 votes257 views2 answers
Python functions with input
Python
0 vote275 views1 answer
UnicodeDecodeError: 'cp950' codec can't decode byte 0xe3 in position 70: illegal multibyte sequence
Python
0 vote274 views1 answer
How to remove last 2 rows in a dataframe
Python
1 vote262 views1 answer
Python catch sigterm
Python
0 vote296 views1 answer
How to pull images from android device from usb in python
Python
1 vote311 views2 answers
Increase instagram followers using python
Python
0 vote254 views1 answer
Pyspark rdd sort by value descending
Python
27 votes279 views6 answers
Remove column from dataframe
Python
2 votes261 views3 answers
Pandas dataframe compare two dataframes and extract difference
Python