Flash cards
Review the key moves
1/3
Core idea
What is the main idea behind Python - Set Methods?
Lesson checks
Practice each idea before moving on
Short Mimo-style checks built from this lesson's code, terms, and sequence.
1Quick choice
Which statement best captures the main point of this lesson?
Set Methods
Python has a set of built-in methods that you can use on sets.
| 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 True if NO items of this set is present in another set | |
| issubset() | <= | Returns True if all items of this set is present in another set |
| < | Returns True if all items of this set is present in another, larger set | |
| issuperset() | >= | Returns True if all items of another set is present in this set |
| > | Returns True if all items of another, smaller set 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 |