refactoring

Author: sshsrijanr

Diff for: data_structures/linked_list/remove_nth_node_from_end.py

@@ -1,5 +1,4 @@
-class Node():
-
+class Node:
     def __init__(self, val):
         self.val = val
         self.next = None
@@ -21,12 +20,14 @@ def remove(head, n):
 
     return extra.next
 
+
 def print_list(head):
     curr = head
     while curr:
         print(curr.val, end=" ")
         curr = curr.next
 
+
 head = Node(1)
 head.next = Node(2)
 head.next.next = Node(3)