Various useful python decorators:
- retry(tries, delay=3, backoff=2) Retries a function or method until it complite without exeptions delay sets the initial delay, and backoff sets how much the delay should lengthen after each failure. backoff must be greater than 1, or else it isn't really a backoff. tries must be at least 0, and delay greater than 0
Classic memoization. Function cache results, then return objects from cache for same argumets
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