(stacks)
| 10 | |
| 11 | |
| 12 | def reverseStack(stacks): |
| 13 | new_stack = Stack() |
| 14 | |
| 15 | def helper(stacks): |
| 16 | if stacks.empty(): |
| 17 | return |
| 18 | |
| 19 | new_stack.push(stacks.pop()) |
| 20 | |
| 21 | helper(stacks) |
| 22 | |
| 23 | helper(stacks) |
| 24 | |
| 25 | return new_stack |
| 26 | |
| 27 | # 测试用例。 |
| 28 | a = range(10) |
no test coverage detected