[00] [01] [10] [11] [20] [21]

 [00] [01]
[10] [11]
[20] [21]

 rows=3
columns=2
mylist = [[0 for x in range(columns)] for x in range(rows)]
for i in range(rows):
    for j in range(columns):
        mylist[i][j] = '%s,%s'%(i,j)
for i in range(rows):
    for j in range(columns):
        print "[",mylist[i][j],"]",
	# print "\n"

 for i in mylist: print(i)