Push an element at the end of the list only if the list exists.
assert redis.rpushx("mylist", "one", "two", "three") == 3 assert lrange("mylist", 0, -1) == ["one", "two", "three"] # Non existing key assert redis.rpushx("non-existent-list", "one") == 0
The key of the list.
One or more elements to push at the end of the list.
The length of the list after the push operation.
0 if the list did not exist and thus no element was pushed.
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