Tennis Game: Model and Simulate a Full Tennis Match with OOP Design

Question

## Problem

Model a tennis match using object-oriented design. A match is best-of-3 or best-of-5 sets; a set is first to 6 games with 2-game lead (tiebreak at 6-6 for non-final sets); a game follows standard tennis scoring (0, 15, 30, 40, deuce, ad). Implement:

```python
class TennisMatch:
    def __init__(self, player1: str, player2: str, best_of: int = 3): ...
    def point_won_by(self, player: str) -> None: ...
    def current_score(self) -> str:  # e.g., "Set: 1-0 | Game: 30-15"
    def is_over(self) -> bool: ...
    def winner(self) -> str | None: ...
```

## Example

```
match = TennisMatch("Federer", "Nadal", best_of=3)
# Play points...
for _ in range(4): match.point_won_by("Federer")
match.current_score()  -> "Set: 0-0 | Game: Federer leads 1-0 games"
                          # After 4 points: Federer wins game (0,15,30,40,game)
match.is_over()  -> False
```

## Follow-ups

1. How does your class hierarchy change to support doubles matches?
2. Where does the tiebreak rule fit — in the `Set` class or the `Match` class?
3. How would you serialize and replay a match from a sequence of points?

Tennis Game: Model and Simulate a Full Tennis Match with OOP Design

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