Python - Classes and Object Lifecycle
Which of the following is the correct syntax to define a class named
Book with a constructor that takes title as a parameter?Which of the following is the correct syntax to define a class named Book with a constructor that takes title as a parameter?
easy📝 Syntax Q3 of 15
Step-by-Step Solution
Solution:
Step 1: Check class and constructor syntax
Python classes useclass ClassName:and constructors usedef __init__(self, ...):.Step 2: Verify parameter usage
The first parameter must beself, then others liketitle. Inside, assign withself.title = title.Final Answer:
class Book: def __init__(self, title): self.title = title -> Option BQuick Check:
Constructor syntax = def __init__(self, param) [OK]
Quick Trick: Constructor must have 'self' as first parameter [OK]
Common Mistakes:
- Omitting self parameter
- Using def init instead of def __init__
- Defining class with def instead of class keyword
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