matrix = []

n = int(input("Enter the number of row = "))

for i in range(n):

    row = []

    print("Enter the all values of -", (i+1), "no. row with enter", end='')

    for j in range(n):

        row.append(int(input()))

    matrix.append(row)

print(matrix)

​

import numpy as np

R = int(input("Enter the number of rows:"))

C = int(input("Enter the number of columns:"))

print("Enter the entries in a single line (separated by space): ")

# User input of entries in a 

# single line separated by space

entries = list(map(int, input().split()))

# For printing the matrix

matrix = np.array(entries).reshape(R, C)

print(matrix)

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)

N=int(input())

mat=[]

for i in range(N):

    row = []

    row.append(list(map(int,input().split())))

    mat.append(row)

print(mat)