[Solved] Identify the issue in the following availability check code:availability = {"slotA": True} if availability["slotB"]: print("Available") else: print("Not Available") | LLD

LLD - Design — Hotel Booking System

Identify the issue in the following availability check code:

availability = {"slotA": True}
if availability["slotB"]:
    print("Available")
else:
    print("Not Available")

AThe code will print 'Available' regardless of dictionary content

BKeyError occurs because 'slotB' is not in the dictionary

CThe dictionary keys are case-insensitive, so no error

DThe else block will never execute

Step-by-Step Solution

Solution:

Step 1: Accessing dictionary key 'slotB'
Since 'slotB' is not present in availability, direct access causes KeyError.
Step 2: Understand dictionary behavior
Using [] for missing keys raises KeyError; get() method avoids this.
Final Answer:
KeyError occurs because 'slotB' is not in the dictionary -> Option B
Quick Check:
Direct dict access missing key causes KeyError [OK]

Quick Trick: Direct dict access missing key throws KeyError [OK]

Common Mistakes:

Master "Design — Hotel Booking System" in LLD

9 interactive learning modes - each teaches the same concept differently

More LLD Quizzes

Identify the issue in the following availability check code: