[Solved] What will be the output of this Swift code?var scores: [String: Int] = ["Alice": 90, "Bob": 85] scores["Bob"] = 95 print(scores["Bob"]!) | iOS Swift

iOS Swift - Swift Language Essentials

What will be the output of this Swift code?

var scores: [String: Int] = ["Alice": 90, "Bob": 85]
scores["Bob"] = 95
print(scores["Bob"]!)

A90

B95

C85

Dnil

Step-by-Step Solution

Solution:

Step 1: Understand dictionary update syntax
Assigning scores["Bob"] = 95 updates Bob's score to 95.
Step 2: Print updated value
scores["Bob"]! unwraps and prints 95.
Final Answer:
95 -> Option B
Quick Check:
Dictionary value updated = 95 [OK]

Quick Trick: Updating dictionary key changes its value [OK]

Common Mistakes:

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