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Solve the following problem using Python, implementing the functions described below, one line at a time
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Description:
 def validate(self, value):
 """Validates that `value` can be assigned to this Property. Parameters: value: The value to validate. Raises: TypeError: If the type of the assigned value is invalid. Returns: The value that should be assigned to the entity. """

        if isinstance(value, self._types):
            return value

        elif self.optional and value is None:
            return [] if self.repeated else None

        elif self.repeated and isinstance(value, (tuple, list)) and all(isinstance(x, self._types) for x in value):
            return value

        else:
            raise TypeError(f"Value of type {classname(value)} assigned to {classname(self)} property.")