Mid2 33rd_to_Define_a_Matrix

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

c = int(input("Enter the number of columns:"))
matrix = []
print("Enter the entries rowwise: ")
for i in range(r):
    a=[]
    for j in range(c):
        a.append(int(input( )))
    matrix.append(a)
for i in range(r):
    for j in range(c):
        print(matrix[i][j], end = " ")
    print()
#output:
Enter the number of rows:2 Enter the number of columns:2 Enter the entries rowwise: 1 2 3 4 1 2 3 4

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