Removing old questions

Removed questions uploaded using an old version of LeetHub
Questions 2,3,4,19,36,141,206

206-reverse-linked-list/206-reverse-linked-list.py

@@ -1,20 +0,0 @@
-# Definition for singly-linked list.
-# class ListNode(object):
-#     def __init__(self, val=0, next=None):
-#         self.val = val
-#         self.next = next
-class Solution(object):
-    def reverseList(self, head):
-        """
-        :type head: ListNode
-        :rtype: ListNode
-        """
-        if head == None: return None
-        if head.next == None: return head
-        
-        reversedHead = ListNode(head.val)
-        oldNode = head.next
-        while oldNode != None:
-            reversedHead = ListNode(oldNode.val, reversedHead)
-            oldNode = oldNode.next
-        return reversedHead