- (difference)

Description

Returns the elements that appear in the dictview and not in the specified iterable.

Syntax

dictview - other

other

Any iterable item.

Return Value

set

Time Complexity

#TODO

Example 1

>>> {'a': 1, 'b': 2}.viewitems() - {'b': 2, 'c': 3}.viewitems()
set([('a', 1)])
>>> {'a': 1, 'b': 2}.viewkeys() - {'b': 2, 'c': 3}.viewkeys()
set(['a'])

Example 2

>>> {'a': 1, 'b': 2}.viewkeys() - ['b', 'c']
set(['a'])
>>> {'a': 1, 'b': 2}.viewitems() - [('b', 2), ('c', 3)]
set([('a', 1)])