| 5 | |
| 6 | |
| 7 | class Linked_List: |
| 8 | def __init__(self): |
| 9 | self.head = None |
| 10 | |
| 11 | def Insert_At_Beginning(self, new_data): |
| 12 | new_node = Node(new_data) |
| 13 | if self.head is None: |
| 14 | self.head = new_node |
| 15 | return |
| 16 | new_node.next = self.head |
| 17 | self.head = new_node |
| 18 | |
| 19 | def Rotation(self, key): |
| 20 | if key == 0: |
| 21 | return |
| 22 | current = self.head |
| 23 | count = 1 |
| 24 | while count < key and current is not None: |
| 25 | current = current.next |
| 26 | count += 1 |
| 27 | if current is None: |
| 28 | return |
| 29 | Kth_Node = current |
| 30 | while current.next is not None: |
| 31 | current = current.next |
| 32 | current.next = self.head |
| 33 | self.head = Kth_Node.next |
| 34 | Kth_Node.next = None |
| 35 | |
| 36 | def Display(self): |
| 37 | temp = self.head |
| 38 | while temp: |
| 39 | print(temp.data, "->", end=" ") |
| 40 | temp = temp.next |
| 41 | print("None") |
| 42 | |
| 43 | |
| 44 | if __name__ == "__main__": |