Question: Write a function that efficiently strips the first two characters of a string and the last two characters of a string. Returning an empty string

Write a function that efficiently strips the first two characters of a string and the last two characters of a string. Returning an empty string should be an acceptable return value. Test this function with a series of different inputs.

Can you write a program, or a function, that uses both positive and negative indexing? Is there any penalty for doing so?

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