GMetrix practice text #1 part 2 of 3 (certified user Xcode 15)

based on this code snippet and the explanation of listStyle modifiers, which image below correctly places the listStyle modifier in the correct position to customize the appearance of the list?

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Answer explanation

The listStyle) modifier should be applied to the List structure, which ends on line 9, so line 10 would be the appropriate place to add the listStyle modifier.

In this code to the Left, explain what the code is doing from line #3 to #8.

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In this code to the Left, explain what the code is doing from line #10 to #14.

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In this code to the Left, explain what the code is doing from line #16 to #20.

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In this code to the Left, explain what the code on line #22 is doing.

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In this code to the Left, explain how you would call the walk() method on the animal constant.

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In this code to the Left, which line of code placed at line #23 would call the walk() method on the animal constant?

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Answer explanation

What is the purpose of protocols in Swift?

• To define properties and methods a type must have

• To create instances of a protocol

• To enforce strict data types

• To replace classes and structs

In Swift, what is the process of a type using a protocol called?

• Adopting or conforming

• Inheriting

• Overriding

• Implementing

What property must all conforming types have in the Identifiable protocol?

• id

• name

• type

• value