Path 1: 9 calls (1.0)

→ index 0 (3) 1 (1) 2 (1) 3 (1) 4 (1) 5 (1) 6 (1)

→ value Text (9)

↩ return Lines (9)

2 run 0 not run

1def __setitem__(self, index: int, value: "Text") -> "Lines":
2        self._lines[index] = value
3        return self