Question: in the Swift Programming: The Big Nerd Ranch Guide (2nd Ed.) e-book: Earlier in the chapter, we told you that accessing an optionals value when

in the Swift Programming: The Big Nerd Ranch Guide (2nd Ed.) e-book: Earlier in the chapter, we told you that accessing an optionals value when it is nil will result in a runtime error. Make this mistake by force-unwrapping an optional when it is nil. Next, examine the error and understand what the error is telling you.

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