Appendix D — Set Methods
The following methods are available on set objects. A detailed tutorial of using sets can be found here.
set object, including the shortcut keys which have been defined
| Method | Shortcut | 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 |
< |
Returns whether all items in this set is present in other, specified set(s) | |
issuperset() |
>= |
Returns whether this set contains another set or not |
> |
Returns whether all items in other, specified set(s) is present in this set | |
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 |