Python set methods

Python has a set of built-in methods that can be used on sets.

Method Description
add() Add an element to the set.
clear() Remove all elements from the set.
copy() Return a copy of the set.
difference() Return a set containing the differences between two or more sets.
difference_update() Remove items that are also included in another specified set.
discard() Remove the specified item.
intersection() Return a set that is the intersection of two other sets.
intersection_update() Remove items that do not exist in other specified sets.
isdisjoint() Return whether two sets have an intersection.
issubset() Return whether another set contains this set.
issuperset() Return whether this set contains another set.
pop() Remove an element from the set.
remove() Remove the specified element.
symmetric_difference() Return a set containing the symmetric difference of two sets.
symmetric_difference_update() Indsæt symmetrisk forskel mellem dette sæt og et andet sæt.
union() Returnerer et sæt, der indeholder sætets union.
update() Opdater sættet med unionen af dette sæt og andre sæt.

I vores Python Sæt Tutorial Lær mere om sæt i Kina.