Solution:Step 1: Trace the dig method callThe dig method looks for the key :user in data, then :profile inside that, then :name inside profile.Step 2: Extract the value at the nested keysAll keys exist, so dig returns the string "Alice".Final Answer:Alice -> Option CQuick Check:dig returns nested va

[Solved] Given the code:data = {user: {profile: {name: "Alice", age: 30}}} puts data.dig(:user, :profile, :name)What will be the output? | Ruby

Ruby - Hashes

Given the code:

data = {user: {profile: {name: "Alice", age: 30}}}
puts data.dig(:user, :profile, :name)

What will be the output?

A30

Bnil

CAlice

DError

Step-by-Step Solution

Solution:

Step 1: Trace the dig method call
The dig method looks for the key :user in data, then :profile inside that, then :name inside profile.
Step 2: Extract the value at the nested keys
All keys exist, so dig returns the string "Alice".
Final Answer:
Alice -> Option C
Quick Check:
dig returns nested value "Alice" [OK]

Quick Trick: Follow keys step-by-step to find nested value [OK]

Common Mistakes:

Expecting nil if keys exist
Confusing age with name value
Thinking dig raises error on existing keys

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Given the code:

Step 1: Trace the dig method call

Step 2: Extract the value at the nested keys

Final Answer:

Quick Check:

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