proxy pattern exercises add more functions to the rawcalculator class so it can create other sequences expand the calculatorproxy class to handle the new series-generation functions you added do they also use the memoize function out of the boxalter the __init__(function to iterate over the attributes of the target object and automatically memoize the callable attributes count how many times each of the rawcalculator methods is called during programuse this to calculate how many calls are made to the fib(method check the python standard library for other ways to memoize functions