redis.set("key", "old-value")

assert redis.getset("key", "newvalue") == "old-value"

​
Arguments

​
key
str
required
The key to get.
​
value
Any
required
The new value to store.

​
Response

The response is the value stored at the key or None if the key doesn’t exist.
redis.set("key", "old-value")

assert redis.getset("key", "newvalue") == "old-value"