Arguments
str
required
The key to increment.
Response
The value at the key after the incrementing.
redis.set("key", 6)
assert redis.incr("key") == 7
INCR
Increment the integer value of a key by one
If a key does not exist, it is initialized as 0 before performing the operation. An error is returned if the key contains a value of the wrong type or contains a string that can not be represented as integer.
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