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Solve the following problem using Python, implementing the functions described below, one line at a time
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Description:
 def memoize(obj):
 """Decorator to create memoized functions, methods or classes."""

    cache = obj.cache = {}

    @functools.wraps(obj)
    def memoizer(*args, **kwargs):
        if args not in cache:
            cache[args] = obj(*args, **kwargs)
        return cache[args]
    return memoizer