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For this homework, you must implement the following methods for CountingQueue: __len__ __iter__ __in__ __getitem__ Your goal is to have CountingQueue behave exactly like Queue to an outside user: the objects have to be different only due to their internal implementation. So for instance, __len__ must return the number of elements, including repetitions; not the number of (element, count) pairs in self. queue. Note that we are adding methods to a class that has already been defined, so our definition have the following somewhat unusual form:

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