popitem)remove an arbitrary key-value pair from the mapand return ( ,vtuple representing the removed pair if map is emptyraise keyerror clear)remove all key-value pairs from the map keys)return set-like view of all keys of values)return set-like view of all values of items)return set-like view of ( ,vtuples for all entries of update( )assign [kv for every ( ,vpair in map = return true if maps and have identical key-value associations ! return true if maps and do not have identical keyvalue associations example in the followingwe show the effect of series of operations on an initially empty map storing items with integer keys and single-character values we use the literal syntax for python' dict class to describe the map contents operation len(mmk mb mu mv mk mb mx getf getf getk len(mdel mv popk keysm valuesm itemsm setdefaultb setdefaulta popitemreturn value keyerror none ) map {