def copy(
            self, 
            other: Optional['Individual'] = None, 
            deep: bool = True,
        ) -> 'Individual':
        """
        Copy an individual.

        Parameters
        ----------
        other : Individual, None
            The individual to copy. If ``None``, assumed to be self.
        deep : bool
            Whether to deep copy the individual.
        
        Returns
        -------
        out : Individual
            A copy of the individual.
        """
        obj = self.new()

        # if not provided just copy yourself
        if other is None:
            other = self

        # the data the new object needs to have
        D = other.__dict__

        # if it should be a deep copy do it
        if deep:
            D = copy.deepcopy(D)

        for k, v in D.items():
            obj.__dict__[k] = v

        return obj

        Copy an individual.

        Parameters
        ----------
        other : Individual, None
            The individual to copy. If ``None``, assumed to be self.
        deep : bool
            Whether to deep copy the individual.
        
        Returns
        -------
        out : Individual
            A copy of the individual.
        
pymoo/core/individual.py