Шаг 1 из 3+100 XP
Множества: операции
union, intersection, difference, дубликаты.
Set ops
a = {1,2,3}; b = {2,3,4}
a | b # {1,2,3,4}
a & b # {2,3}
a - b # {1}union, intersection, difference, дубликаты.
a = {1,2,3}; b = {2,3,4}
a | b # {1,2,3,4}
a & b # {2,3}
a - b # {1}