Python 有一组可以在集合上使用的内置方法。
Method | Description |
---|---|
add() | Adds an element to the set |
clear() | Removes all the elements from the set |
copy() | Returns a copy of the set |
difference() | Returns a set containing the difference between two or more sets |
difference_update() | Removes the items in this set that are also included in another, specified set |
discard() | Remove the specified item |
intersection() | Returns a set, that is the intersection of two other sets |
intersection_update() | Removes the items in this set that are not present in other, specified set(s) |
isdisjoint() | Returns whether two sets have a intersection or not |
issubset() | Returns whether another set contains this set or not |
issuperset() | Returns whether this set contains another set or not |
pop() | Removes an element from the set |
remove() | Removes the specified element |
symmetric_difference() | Returns a set with the symmetric differences of two sets |
symmetric_difference_update() | inserts the symmetric differences from this set and another |
union() | Return a set containing the union of sets |
update() | Update the set with the union of this set and others |
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