Table of Contents
datetime
calendar
collections
heapq
bisect
array
sets
sets.BaseSet
sets.ImmutableSet
sets.Set
sets.ifilter
sets.ifilterfalse
sched
mutex
Queue
weakref
UserDict
UserList
UserString
types
new
copy
pprint
repr
Set.
difference
Return the difference of two sets as a new Set.
(I.e. all elements that are in this set and not in the other.)