Updated README and added Linkedlist.py in python folder

README.md

@@ -9,11 +9,12 @@ The .js cfiles can be found in \src-javascript
 The .py cfiles can be found in \src-python  
 
 
+# Array
+An array is a collection of items stored at contiguous memory locations. Its used to store multiple items of the same type together. 
 
 # Stack
 Stack is a linear data structure which follows a particular order in which the operations are performed. The order may be LIFO(Last In First Out) or FILO(First In Last Out).
 
-
 # Linked List
 A linked list is a sequence of data structures, which are connected together via links.
 Linked List is a sequence of links which contains items. Each link contains a connection to another link. Linked list is the second most-used data structure after array.

src-python/LinkedList.py

@@ -0,0 +1,42 @@
+# A simple Python program for traversal of a linked list 
+
+# Node class 
+class Node: 
+
+	# Function to initialise the node object 
+	def __init__(self, data): 
+		self.data = data # Assign data 
+		self.next = None # Initialize next as null 
+
+
+# Linked List class contains a Node object 
+class LinkedList: 
+
+	# Function to initialize head 
+	def __init__(self): 
+		self.head = None
+
+	# This function prints contents of linked list 
+	# starting from head 
+	def printList(self): 
+		temp = self.head 
+		while (temp): 
+			print (temp.data) 
+			temp = temp.next
+
+
+# Code execution starts here 
+if __name__=='__main__': 
+
+	# Start with the empty list 
+	llist = LinkedList() 
+
+	llist.head = Node(1) 
+	second = Node(2) 
+
+	third = Node(3) 
+
+	llist.head.next = second 
+	second.next = third
+
+	llist.printList()