Python set() Function
Python Built-in FunctionsDescription
set()The function creates an unordered collection of unique elements. It can perform relationship testing, remove duplicate data, and also calculate intersection, difference, union, etc.
Syntax
set syntax:
class set([iterable])
Parameter description:
- iterable -- iterable object;
Return Value
Returns a new set object.
Examples
The following examples demonstrate how to use set:
>>>x = set('example')
>>> y = set('google')
>>> x, y
(set(['b', 'r', 'u', 'o', 'n']), set(['e', 'o', 'g', 'l'])) # duplicates are removed
>>> x & y # intersection
set(['o'])
>>> x | y # union
set(['b', 'e', 'g', 'l', 'o', 'n', 'r', 'u'])
>>> x - y # difference
set(['r', 'b', 'u', 'n'])
>>>