Print Matrix in snake Pattern Python

PROGRAM TO PRINT MATRIX IN SNAKE PATTERN

M = 4

N = 4

  

def printf(mat):

    global M, N

      

    # Traverse through all rows

    for i in range(M):

          

        # If current row is

        # even, print from

        # left to right

        if i % 2 == 0:

            for j in range(N):

                print(str(mat[i][j]),

                          end = " ")

  

        # If current row is 

        # odd, print from

        # right to left

        else:

            for j in range(N - 1, -1, -1):

                print(str(mat[i][j]), 

                          end = " ")

  

# Driver code

mat = [[ 10, 20, 30, 40 ],

       [ 15, 25, 35, 45 ],

       [ 27, 29, 37, 48 ],

       [ 32, 33, 39, 50 ]]

  

printf(mat)







OUTPUT

10 20 30 40 45 35 25 15 27 29 37 48 50 39 33 32 

CREDITS: https://www.geeksforgeeks.org/print-matrix-snake-pattern/