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iOS Enhance a Weather App with Table Views Next Week’s Weather Displaying Information in the Table View

Video editing error around 4:07 mark?

Seems like he said we had two options, either unwrap it at the "return cell" call or wrap the constant assignment statement in an "if" structure, then went ahead and did neither. He instead switched the "optional" (?) assignment to a "bang" (!) after the "as".

Was this an editing issue suggesting we can't actually wrap it in an if structure? As I understand it from an earlier video, we want to avoid bangs as often as possible for safer, failure resistant code.