LeetCode #19: Remove Nth Node From End of List#139
Conversation
📝 WalkthroughWalkthroughA new file ChangesRemove Nth Node From End
Estimated code review effort🎯 2 (Simple) | ⏱️ ~5 minutes Poem
🚥 Pre-merge checks | ✅ 4 | ❌ 1❌ Failed checks (1 warning)
✅ Passed checks (4 passed)
✨ Finishing Touches📝 Generate docstrings
🧪 Generate unit tests (beta)
Thanks for using CodeRabbit! It's free for OSS, and your support helps us grow. If you like it, consider giving us a shout-out. Comment |
![coderabbitai[bot]](https://avatars.githubusercontent.com/in/347564?s=60&v=4){kind=small}
There was a problem hiding this comment.
Actionable comments posted: 1
🧹 Nitpick comments (1)
LeetCode/medium/remove_nth_from_end_19.py (1)
11-11: 📐 Maintainability & Code Quality | 🔵 Trivial | ⚡ Quick winMake the helper signature match its caller.
removeNthFromEndpassesOptional[ListNode]intolength, so the current annotation is stricter than the actual contract.♻️ Proposed fix
- def length(self, head: ListNode) -> int: + def length(self, head: Optional[ListNode]) -> int:🤖 Prompt for AI Agents
Verify each finding against current code. Fix only still-valid issues, skip the rest with a brief reason, keep changes minimal, and validate. In `@LeetCode/medium/remove_nth_from_end_19.py` at line 11, The helper method length has a type signature that is stricter than what removeNthFromEnd actually passes, since it may receive a missing head node. Update the length method annotation to accept the same Optional[ListNode] contract used by removeNthFromEnd, and keep its implementation unchanged so it can safely handle a null head input.
🤖 Prompt for all review comments with AI agents
Verify each finding against current code. Fix only still-valid issues, skip the
rest with a brief reason, keep changes minimal, and validate.
Inline comments:
In `@LeetCode/medium/remove_nth_from_end_19.py`:
- Around line 5-7: Rename the ListNode initializer parameter in the ListNode
class from next to a non-builtin name and update the assignment accordingly;
make the change in the __init__ method so the constructor signature and any
internal references no longer shadow the builtin name.
---
Nitpick comments:
In `@LeetCode/medium/remove_nth_from_end_19.py`:
- Line 11: The helper method length has a type signature that is stricter than
what removeNthFromEnd actually passes, since it may receive a missing head node.
Update the length method annotation to accept the same Optional[ListNode]
contract used by removeNthFromEnd, and keep its implementation unchanged so it
can safely handle a null head input.
🪄 Autofix (Beta)
Fix all unresolved CodeRabbit comments on this PR:
- Push a commit to this branch (recommended)
- Create a new PR with the fixes
ℹ️ Review info
⚙️ Run configuration
Configuration used: defaults
Review profile: CHILL
Plan: Pro
Run ID: 6b3ed49a-dcaf-42f6-ae4e-35fab9fe7781
📒 Files selected for processing (1)
LeetCode/medium/remove_nth_from_end_19.py
| def __init__(self, val=0, next=None): | ||
| self.val = val | ||
| self.next = next |
There was a problem hiding this comment.
📐 Maintainability & Code Quality | 🟡 Minor | ⚡ Quick win
Rename next to avoid builtin shadowing.
This keeps lint noise down and avoids reusing a builtin name.
🧰 Tools
🪛 Ruff (0.15.18)
[error] 5-5: Function argument next is shadowing a Python builtin
(A002)
🤖 Prompt for AI Agents
Verify each finding against current code. Fix only still-valid issues, skip the
rest with a brief reason, keep changes minimal, and validate.
In `@LeetCode/medium/remove_nth_from_end_19.py` around lines 5 - 7, Rename the
ListNode initializer parameter in the ListNode class from next to a non-builtin
name and update the assignment accordingly; make the change in the __init__
method so the constructor signature and any internal references no longer shadow
the builtin name.
1 participant
Summary by CodeRabbit