fork(2) download
  1. f=lambda n:map(f,range(n))
  2.  
  3. for n in range(8):
  4. print n, f(n)
Success #stdin #stdout 0s 9024KB
stdin
Standard input is empty
stdout
0 []
1 [[]]
2 [[], [[]]]
3 [[], [[]], [[], [[]]]]
4 [[], [[]], [[], [[]]], [[], [[]], [[], [[]]]]]
5 [[], [[]], [[], [[]]], [[], [[]], [[], [[]]]], [[], [[]], [[], [[]]], [[], [[]], [[], [[]]]]]]
6 [[], [[]], [[], [[]]], [[], [[]], [[], [[]]]], [[], [[]], [[], [[]]], [[], [[]], [[], [[]]]]], [[], [[]], [[], [[]]], [[], [[]], [[], [[]]]], [[], [[]], [[], [[]]], [[], [[]], [[], [[]]]]]]]
7 [[], [[]], [[], [[]]], [[], [[]], [[], [[]]]], [[], [[]], [[], [[]]], [[], [[]], [[], [[]]]]], [[], [[]], [[], [[]]], [[], [[]], [[], [[]]]], [[], [[]], [[], [[]]], [[], [[]], [[], [[]]]]]], [[], [[]], [[], [[]]], [[], [[]], [[], [[]]]], [[], [[]], [[], [[]]], [[], [[]], [[], [[]]]]], [[], [[]], [[], [[]]], [[], [[]], [[], [[]]]], [[], [[]], [[], [[]]], [[], [[]], [[], [[]]]]]]]]