Create linked_list.py

linked_list.py

@@ -0,0 +1,51 @@
+class Node:
+    def __init__(self,data):
+        self.data = data
+        self.ref = None
+class LinkedList:
+    def __init__(self):
+        self.head = None
+    def making_list(self,data):
+        if self.head is None:
+            new_node = Node(data)
+            self.head = new_node
+
+    def add_begin(self,data):
+        new_node = Node(data)
+        new_node.ref = self.head
+        self.head = new_node
+    def add_end(self,data):
+        if self.head is None:
+            print("Linked list is empty")
+        else:
+            n = self.head
+            while n.ref is not None:
+                n = n.ref
+            new_node = Node(data)
+            n.ref = new_node
+
+
+
+    def printList(self):
+        if self.head is None:
+            print("Linked List is empty")
+        else:
+            n = self.head
+            while n is not None:
+                print(n.data)
+                n = n.ref
+l1 = LinkedList()
+n1 = int(input("Enter  a number:"))
+l1.making_list(n1)
+n2 = int(input("Enter  a number:"))
+l1.add_begin(n2)
+n3 = int(input("Enter  a number:"))
+l1.add_begin(n3)
+n4 = int(input("Enter  a number:"))
+l1.add_begin(n4)
+n5 = int(input("Enter  a number:"))
+l1.add_end(n5)
+n6 = int(input("Enter  a number:"))
+l1.add_end(n6)
+l1.printList()
+