[Solved] What will be printed by this Swift code?var scores = ["Alice": 90, "Bob": 85] scores["Charlie"] = 88 print(scores.count) | Swift

Swift - Collections

What will be printed by this Swift code?

var scores = ["Alice": 90, "Bob": 85]
scores["Charlie"] = 88
print(scores.count)

A3

B2

C1

D0

Step-by-Step Solution

Solution:

Step 1: Add new key-value pair
"Charlie" with score 88 is added to the dictionary, increasing its size.
Step 2: Check dictionary count
Initially 2 entries, after adding one more, count becomes 3.
Final Answer:
3 -> Option A
Quick Check:
Dictionary count reflects number of key-value pairs [OK]

Quick Trick: Dictionary count = number of key-value pairs [OK]

Common Mistakes:

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