Python Intermediate Interview Questions

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Questions and Answers

What is the output of the following code: `a = [1, 2, 3, 4, 5]; b = a[:]; print(b)`

It will print: [1, 2, 3, 4, 5] (correct)

It will print: [5, 4, 3, 2, 1]

It will throw an error

It will print: []

What is the purpose of the `init` method in a Python class?

To create a static method

To define a class variable

To initialize an object's attributes (correct)

To override a parent class method

What is the difference between `break` and `continue` statements in a Python loop?

`break` is used in `for` loops, `continue` is used in `while` loops

`break` is used in `while` loops, `continue` is used in `for` loops

`break` skips to the next iteration, `continue` exits the loop

`break` exits the loop, `continue` skips to the next iteration (correct)

What is the purpose of the `lambda` function in Python?

To create an anonymous function Signup and view all the answers

What is the difference between `is` and `==` operators in Python?

<code>is</code> checks for identity, <code>==</code> checks for equality Signup and view all the answers

What is the primary difference between the `copy()` and `deepcopy()` functions in Python?

The <code>copy()</code> function creates a shallow copy, while the <code>deepcopy()</code> function creates a deep copy. Signup and view all the answers

What is the purpose of the `super()` function in a Python class?

To call the constructor of the parent class. Signup and view all the answers

What is the difference between the `list` and `tuple` data types in Python?

Lists are mutable, while tuples are immutable. Signup and view all the answers

What is the purpose of the `try`-`except` block in Python?

To handle runtime errors and exceptions. Signup and view all the answers

What is the purpose of the `enumerate()` function in Python?

To iterate over a list and return its index and value. Signup and view all the answers

Study Notes

Python Code Output

The output of the code a = [1, 2, 3, 4, 5]; b = a[:]; print(b) is [1, 2, 3, 4, 5], which is a copy of the original list a.

Python Class `init` Method

The __init__ method in a Python class is a special method that is automatically called when an object of the class is created.
It is used to initialize the attributes of the class.
It is a constructor method that sets the initial state of the object.

Python Loop Control Statements

The break statement in a Python loop is used to exit the loop entirely.
The continue statement in a Python loop is used to skip the current iteration and move to the next one.

Python Lambda Function

The lambda function in Python is a small anonymous function that can take any number of arguments, but can only have one expression.
It is used to create small, one-time use functions.
It is often used in combination with other functions such as filter(), map(), and reduce().

Python Identity and Equality Operators

The is operator in Python checks if both variables point to the same object in memory.
The == operator checks if the values of both variables are equal.
The is operator is used for identity comparison, while the == operator is used for equality comparison.

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Description

Test your Python skills with these intermediate-level interview questions, covering topics like list slicing, class methods, and control structures.