Add_two_Linked_List.py

class Node:
 def __init__(self, data):
 self.data = data
 self.next = None


class Linked_List:
 def __init__(self):
 self.head = None

 def Insert_At_Beginning(self, new_data):
 new_node = Node(new_data)
 if self.head is None:
 self.head = new_node
 return
 new_node.next = self.head
 self.head = new_node

 def Add_two_no(self, First, Second):
 prev = None
 temp = None
 carry = 0
 while First is not None or Second is not None:
 first_data = 0 if First is None else First.data
 second_data = 0 if Second is None else Second.data
 Sum = carry + first_data + second_data
 carry = 1 if Sum >= 10 else 0
 Sum = Sum if Sum < 10 else Sum % 10
 temp = Node(Sum)
 if self.head is None:
 self.head = temp
 else:
 prev.next = temp
 prev = temp
 if First is not None:
 First = First.next
 if Second is not None:
 Second = Second.next
 if carry > 0:
 temp.next = Node(carry)

 def Display(self):
 temp = self.head
 while temp:
 print(temp.data, "->", end=" ")
 temp = temp.next
 print("None")


if __name__ == "__main__":
 First = Linked_List()
 Second = Linked_List()
 First.Insert_At_Beginning(6)
 First.Insert_At_Beginning(4)
 First.Insert_At_Beginning(9)

 Second.Insert_At_Beginning(2)
 Second.Insert_At_Beginning(2)

 print("First Linked List: ")
 First.Display()
 print("Second Linked List: ")
 Second.Display()

 Result = Linked_List()
 Result.Add_two_no(First.head, Second.head)
 print("Final Result: ")
 Result.Display()