SiaExercisesLesson2


{{{

for i in range(0,4,1):
   ....:     for j in range(0,4,1):
   ....:         print i,j
0 0
0 1
0 2
0 3
1 0
1 1
1 2
1 3
2 0
2 1
2 2
2 3
3 0
3 1
3 2
3 3

}}}