Python: set () function

description

set () function creates an unordered set of elements is not repeated, the relationship can be tested, deduplication may also be calculated intersection, difference, and sets the like.
grammar

set syntax:

class set([iterable])

Parameter Description:

iterable -- 可迭代对象对象；

return value

Returns a new collection object.
Examples

The following example shows how to use the set of:

X = SET ( 'runoob')
Y = SET ( 'Google')
X, Y
(SET ([ 'B', 'R & lt', 'U', 'O', 'n-']), SET ([ 'E ',' o ',' g ',' l '])) # repeats has been deleted

x & y # intersection
set ([ 'o'])

x | y # union
set ([ 'b', ' e', 'g', 'l', 'o', 'n', 'r', 'u'])

x - y # difference sets
set ([ 'r', ' b', 'u', 'n'])