[docs]classSupportStr(Protocol):"""A protocol for objects that support conversion to a string. This protocol ensures that any implementing class has a `__str__` method, allowing the object to be represented as a string. Example: This can be implemented in a class as follows: ``` class MyClass: def __str__(self) -> str: return "MyClass string representation" ``` Returns: str: The string representation of the object when `__str__` is called. """def__str__(self)->str:...