/Python/How to take matrix input in python

How to take matrix input in python

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

How to take matrix input in python

row=int(input("Enter number of rows you want: "))
col=int(input("Enter number of columns you want: "))
mat=[]
for m in range(row):
  a=[]
  for n in range(col):
     a.append(0)
  mat.append(a)

for i in range(len(mat)):
  for j in range(len(mat[0])):
    mat[i][j]=int(input("Input element: "))
print("Your Matrix is :",mat)

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