text: #An implementation of a map using a Python list as an unsorted table.
  class Map:
      class _Item:
          __slots = '_key','_value'
          
          def __init__(self,k,v):
              self._key = k
              self._value = v
              
          def __eq__(self,other):
              return self._key == other._key
          
          def __noteq__(self,other):
              return not (self._key == other._key)
          
          def __Lt__(self,other):
              return self._key < other._key
  
  class UnsortedTableMap(Map):
      
      def __init__(self):
          self._table = []
          
      def __getitem(self,k):
          for item in self._table:
              if k == self._key:
                  return item._value
          raise KeyError('key error' + repr(k))
      
      def __setitem(self,k,v):
          #Assign value v to key k, overwriting existing value if present.”””
          for item in self._table:
              if k == self._key:
                  self._value = v
                  return
          self._table.append(self._Item(k,v))
          
      def __delitem__(self,k):
          for j in range(self._table):
              if k == self._table[j]._key:
                  self._table.pop(j)
                  return
          raise KeyError('Key error' + repr(k))
      
      def __len__(self):
          return len(self._table)
      
      def __iter__(self):
          for item in self._table:
              yield item._key
          
      
      
                  
                  
      
          
          
          