Introduction to Python Programming

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Questions and Answers

Which design principle is a core tenet of Python's philosophy?

Emphasizing programmer effort over computational efficiency. (correct)
Maximizing execution speed, even at the cost of code readability.
Prioritizing minimal memory usage during execution.
Favoring complex syntax for advanced control over hardware resources.

What feature distinguishes Python's syntax from many other programming languages?

Requiring explicit type declarations for all variables.
Mandatory use of semicolons at the end of each line.
The exclusive use of curly braces to define code blocks.
The use of indentation to define code blocks. (correct)

Which programming paradigms does Python support?

Exclusively object-oriented programming.
Only functional programming.
Only structured (procedural) programming.
Multiple paradigms, including structured, object-oriented, and functional programming. (correct)

What is a key characteristic of Python's typing system?

Dynamic typing, where type checking is deferred until runtime. (B) Signup and view all the answers

Which of the following data types is immutable in Python?

Tuple (A) Signup and view all the answers

If `my_list = [1, 2, 3]`, `my_tuple = (1, 2, 3)`, and `my_set = {1, 2, 3}`, which of the following operations would result in an error?

<code>my_tuple[0] = 4</code> (A) Signup and view all the answers

Consider the following scenario:

def add(x, y):
    return x + y

def multiply(x, y):
    return x * y

result = add(5, multiply(2, 3))

What is the value of result?

11 (D) Signup and view all the answers

Given Python's 'duck typing' philosophy and the following classes:

class Bird:
    def fly(self):
        return "Flying with wings"

class Plane:
    def fly(self):
        return "Flying with jet engine"

def in_the_air(entity):
    return entity.fly()

What will be the output of in_the_air(Plane())?

<code>"Flying with jet engine"</code> (D) Signup and view all the answers

Which task is the `os` module primarily used for?

Interacting with the operating system. (C) Signup and view all the answers

Which Python implementation is specifically designed to run on the Java Virtual Machine (JVM)?

Jython (B) Signup and view all the answers

What significant change was introduced in Python 3 regarding the `print` statement?

It became a function requiring parentheses. (A) Signup and view all the answers

Which of the following package management tools is the standard for installing Python packages?

pip (B) Signup and view all the answers

Which of these options is NOT a common application of Python?

Operating system development (B) Signup and view all the answers

Why are virtual environments like `venv` and `virtualenv` used in Python development?

To create isolated environments for different projects with their own dependencies. (C) Signup and view all the answers

Consider the following code. How would the result of the expression `5 / 2` differ between Python 2 and Python 3?

Python 2 would result in <code>2</code>, while Python 3 would result in <code>2.5</code>. (C) Signup and view all the answers

Given the discontinuation of support for Python 2 on January 1, 2020, what approach should a developer undertake to ensure their legacy Python 2 code remains functional and secure within a contemporary software ecosystem?

Migrate the Python 2 code to Python 3, adapting the syntax and addressing compatibility issues, to leverage ongoing support and security updates. (C) Signup and view all the answers

Flashcards

What is Python?

A high-level, general-purpose language emphasizing code readability through indentation.

Who created Python?

Guido van Rossum at the National Research Institute in the Netherlands.