Help with exercise!!!

[viddiG]

I'm a first year computer science student.
I have been given an exercise and have no clue where to start.
Tried using count functions but have can't get the output that I need!
Any help would be greatly appreciated!!!
Thanks
Vid

input:

0 0 0 0 1 0 1 0
0 0 1 0 0 1 0 1
1 0 0 0 1 0 0 1
1 0 0 0 1 1 0 1
1 1 0 0 0 1 1 0
0 1 1 0 1 0 0 1
1 1 1 0 0 1 0 0
0 1 0 1 1 0 1 0
0 1 1 1
0 0 1 0
1 0 0 1
0 1 0 0
0 1 1 0
1 0 1 0
0 0 0 0
1 0 0 0
0 1 1
1 0 0
1 0 0
END

output:

0: 4 6
1: 2 5 7
2: 0 4 7
3: 0 4 5 7
4: 0 1 5 6
5: 1 2 4 7
6: 0 1 2 5
7: 1 3 4 6
0: 1 2 3
1: 2
2: 0 3
3: 1
0: 1 2
1: 0 2
2:
3: 0
0: 1 2
1: 0
2: 0


Basically, the program is supposed to give the position of the 1's for each line.
I have tried using a mix of count, def and pop functions but nothing is going my way.
Any help would be greatly appreciated!

[YarrOfDoom]

Maybe a look trough here will give you some ideas.