| 1 | import random | |
| 2 | import string | |
| 3 | ||
| 4 | ||
| 1 | 5 | class Robot: |
| 6 | _used_names = set() | |
| 7 | ||
| 2 | 8 | def __init__(self): |
| 3 | pass | |
| 9 | self._name = None | |
| 4 | 10 | |
| 5 | 11 | @property |
| 6 | 12 | def name(self) -> str: |
| 7 | pass | |
| 13 | if self._name is None: | |
| 14 | self._generate_name() | |
| 15 | return self._name | |
| 8 | 16 | |
| 9 | 17 | def reset(self) -> None: |
| 10 | pass | |
| 18 | # Edge Case: Remove current name from used names before resetting | |
| 19 | if self._name: | |
| 20 | self._used_names.discard(self._name) | |
| 21 | self._name = None | |
| 22 | ||
| 23 | def _generate_name(self) -> None: | |
| 24 | # Edge Case: Handle name collision by retrying until unique name is found | |
| 25 | while True: | |
| 26 | # Generate two random uppercase letters | |
| 27 | letters = ''.join(random.choices(string.ascii_uppercase, k=2)) | |
| 28 | # Generate three random digits | |
| 29 | digits = ''.join(random.choices(string.digits, k=3)) | |
| 30 | new_name = letters + digits | |
| 31 | ||
| 32 | # Edge Case: Check if generated name is already used | |
| 33 | if new_name not in self._used_names: | |
| 34 | self._name = new_name | |
| 35 | self._used_names.add(new_name) | |
| 36 | break | |
| 37 | ||
| 38 | # Handled Edge Cases: name collision handling, duplicate name prevention, sequential name generation avoidance |