<SYSTEM_TASK:>
Solve the following problem using Python, implementing the functions described below, one line at a time
<END_TASK>
<USER_TASK:>
Description:

def transform(self, trans):
        '''Return a copy of this neurite with a 3D transformation applied'''
        clone = deepcopy(self)
        for n in clone.iter_sections():
            n.points[:, 0:3] = trans(n.points[:, 0:3])

        return clone