Arguments
The key of the set to store the resulting set in.
The keys of the sets to perform the difference operation on.
Response
The number of elements in the resulting set.
redis.sadd("key1", "a", "b", "c")
redis.sadd("key2", "c", "d", "e")
# Store the result in a new set
assert redis.sdiffstore("res", "key1", "key2") == 2
assert redis.smembers("set") == {"a", "b"}