هک‌ها و تشعشعات وجدان آزاد

# set declaration
myset = set()
 
# add an element to set
myset.add(5)
 
# add multiple elements to set
myset.update([1, 2, 3])
 
# duplicate element added to a set
myset.add(3)
 
# membership in sets
print(5 in myset)