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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 remove_child(self, child):
 """Removes a child instance from the Tag's children. Args: child (Tag):
 The child to be removed. """

        if child in self.children.values() and hasattr(child, 'identifier'):
            for k in self.children.keys():
                if hasattr(self.children[k], 'identifier'):
                    if self.children[k].identifier == child.identifier:
                        if k in self._render_children_list:
                            self._render_children_list.remove(k)
                        self.children.pop(k)
                        # when the child is removed we stop the iteration
                        # this implies that a child replication should not be allowed
                        break