Make your class Queue user friendly by adding to it _eq_, repr and len >>> ql=Queue () Example: q1.enqueue ('kiwi') >>> q1.enqueue ('apple') print (ql) >>> print (ql) Queue (['kiwi', 'apple']) >>> len (ql) >>> q2=Queue () >>> q2.enqueue ('apple') >>> ql==q2 False >>> q1.dequeue () 'kiwi' >>> ql==q2 True

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