You have an array var tasks = ["Clean", "Cook", "Shop"]. Write Swift code to insert "Laundry" after "Cook" and then remove "Clean". What will the final array look like?

hard📝 Application Q8 of 15

Swift - Collections

You have an array var tasks = ["Clean", "Cook", "Shop"]. Write Swift code to insert "Laundry" after "Cook" and then remove "Clean". What will the final array look like?

A["Clean", "Laundry", "Cook", "Shop"]

B["Clean", "Cook", "Laundry", "Shop"]

C["Laundry", "Clean", "Cook", "Shop"]

D["Cook", "Laundry", "Shop"]

Step-by-Step Solution

Solution:

Step 1: Insert "Laundry" after "Cook"
"Cook" is at index 1, so insert "Laundry" at index 2: tasks.insert("Laundry", at: 2).
Step 2: Remove "Clean"
"Clean" is at index 0, so remove at index 0: tasks.remove(at: 0).
Final Answer:
["Cook", "Laundry", "Shop"] -> Option D
Quick Check:
Insert after index 1, remove index 0 = ["Cook", "Laundry", "Shop"] [OK]

Quick Trick: Insert at index after target; remove at target index [OK]

Common Mistakes:

Inserting at wrong index
Removing wrong element
Not updating indices after insert

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More Swift Quizzes

You have an array var tasks = ["Clean", "Cook", "Shop"]. Write Swift code to insert "Laundry" after "Cook" and then remove "Clean". What will the final array look like?

Step 1: Insert "Laundry" after "Cook"

Step 2: Remove "Clean"

Final Answer:

Quick Check:

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