Question: Write a method called doubleList that doubles the size of a list by appending a copy of the original sequence to the end of the

Write a method called doubleList that doubles the size of a list by appending a copy of the original sequence to the end of the list. For example, if the list stores [1, 8, 2, 7], your method should change it to store [1, 8, 2, 7, 1, 8, 2, 7].

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