Member-only story

🐍 Day 52 of #100DaysOfCode in Python: Mastering Python Comprehensions

Elshad Karimov
3 min readJan 14, 2024

Welcome to Day 52! Today, we’ll explore one of Python’s most elegant features: comprehensions. Comprehensions provide a concise and readable way to create lists, dictionaries, and sets. They are a powerful tool for data manipulation and can significantly simplify your Python code.

1. Understanding Comprehensions

Comprehensions in Python are a way of constructing a new sequence (such as a list, set, or dictionary) based on existing sequences in a clear and concise manner. They are often more readable and efficient than using loops or map() functions.

2. List Comprehensions

List comprehensions provide a concise way to create lists. They consist of brackets containing an expression followed by a for clause, and optionally, one or more if clauses.

# Creating a list of squares using list comprehension
squares = [x**2 for x in range(10)]

3. Conditional List Comprehensions

You can add conditional logic to list comprehensions to filter the items in the resulting list.

# List of even squares
even_squares = [x**2 for x in range(10) if x % 2 == 0]

4. Dictionary…

--

--

Elshad Karimov
Elshad Karimov

Written by Elshad Karimov

Software Engineer, Udemy Instructor and Book Author, Founder at AppMillers

No responses yet