comefrom: <garvit244>83_1.py
code: def deleteDuplicates( head):
      if not head:
          return None
      
      curr = head
      while curr and curr.next:
          if curr.val == curr.next.val:
              curr.next = curr.next.next
          else:
              curr = curr.next
      
      return head
masked: def sample_funcname ( var_0 ) :
      if not var_0 :
          return None
      var_2 = var_0
      while var_2 and var_2.next :
          if var_2.val == var_2.next.val :
              var_2.next = var_2.next.next
          else :
              var_2 = var_2.next
      return var_0
  