[Solved] Identify the error in this code snippet:class Request: def __init__(self, floor, direction): self.floor = floor self.direction = direction req = Request(3) print(req.floor) | LLD

LLD - Design — Elevator System

Identify the error in this code snippet:

class Request:
    def __init__(self, floor, direction):
        self.floor = floor
        self.direction = direction

req = Request(3)
print(req.floor)

AMissing second argument for direction in Request constructor

BIncorrect print statement syntax

Cfloor attribute not defined

DRequest class missing __init__ method

Step-by-Step Solution

Solution:

Step 1: Check constructor parameters
Request __init__ requires two arguments: floor and direction.
Step 2: Analyze object creation
Request(3) provides only one argument, missing direction, causing error.
Final Answer:
Missing second argument for direction in Request constructor -> Option A
Quick Check:
Constructor args must match call [OK]

Quick Trick: Provide all constructor arguments when creating objects [OK]

Common Mistakes:

MISTAKES

Omitting required arguments
Misreading print syntax
Assuming default values without definition

Master "Design — Elevator System" in LLD

9 interactive learning modes - each teaches the same concept differently

Learn Why Deep Arch Try Challenge Design Recall Scale

More LLD Quizzes

Identify the error in this code snippet:

Step 1: Check constructor parameters

Step 2: Analyze object creation

Final Answer:

Quick Check:

Want More Practice?