| 4 | |
| 5 | |
| 6 | class Letter: |
| 7 | def __init__(self, letter: str, freq: int): |
| 8 | self.letter: str = letter |
| 9 | self.freq: int = freq |
| 10 | self.bitstring: dict[str, str] = {} |
| 11 | |
| 12 | def __repr__(self) -> str: |
| 13 | return f"{self.letter}:{self.freq}" |
| 14 | |
| 15 | |
| 16 | class TreeNode: |