Answer to Question #225229 in Python for sayii

Question

please see the output and correct the code :--

Input:---

4 4

1 2 3 4

5 6 7 8

9 10 11 12

13 14 15 16

Output :--

1 2 3 4 5 6 7 8 9 10 11 12 16 15 14 13

Input 2:---

3 4

1 2 3 4

10 11 12 5

9 8 7 6

Output 2:--

1 2 3 4 5 12 11 10 9 8 7 6

def read_matrix():

  line = input()

  words =line.split()

  n = int(words[0])

  m = int(words[1])

  mat = []

  for i in range(n):

      row = []

      line = input()

      words = line.split()

      for j in range(m):

          row.append(int(words[j]))

      mat.append(row)

  return mat

def print_zig_zag(mat):

   for i in mat:

       for j in i:

           print(j,end=" ")

print_zig_zag(read_matrix())

Answer 1

def read_matrix():
  line = input()
  words =line.split()
  n = int(words[0])
  m = int(words[1])
  mat = []
  for i in range(n):
      row = []
      line = input()
      words = line.split()
      for j in range(m):
          row.append(int(words[j]))
      mat.append(row)
  return mat


def print_zig_zag(mat):
   for i in range(len(mat)):
    line = mat[i]
    if ((i+1)%2) == 0:
      line.reverse()
    print(*line, end=' ')


print_zig_zag(read_matrix())