set shine tarin da ba a umarce ba na elements na musamman. Babbar ikon sa shine amsa "Shin X akwai nan?" a O(1) ma'akamtaka, kuma ya hana nau'oji sama da kansa ba tare da jajiya ba.
Misali
python
seen = ()
seen.add()
seen.add()
((seen))
seen
a = {, , }
b = {, , }
a & b
a | b
a - b
