Data Structures, Algorithms, Data Engineering, Data Science, Linked Lists.
given values. def swap(self, data_1, data_2): if data_1 == data_2: return prev_1, curr_1, prev_2, curr_2 = None, self.head, None, self.head while curr_1 and curr_1.data != data_1: prev_1 = curr_1 curr_1 = curr_1.next while curr_2 and curr_2.data != data_2: prev_2 = curr_2 curr_2 = curr_2.next if