Verified answer

from random import randint

mat = []

for i in range(5):

   mat.append([])

   for ii in range(5):

       mat[i].append(randint(-10, 10))

for i in range(len(mat)):

   for ii in range(len(mat[i])):

       if ii % 2 == 0:

           mat[i][ii] = 0

       else:

           mat[i][ii] = 1

for i in mat:

   print(*i)