Guide to: Functional Python and Comprehension Constructs

by Matt Harrison

Functional Programming and Comprehensions

Functional programming is a somewhat hidden aspect of Python. Though it supports many of the functional constructs, the style is not widely adopted. On the flip side, functional programming appears to be making a resurgence because of the benefits it can provide.

Comprehensions are an alternative Pythonic construct for programming in a similar manner. These are features of Python that are commonly used instead of their functional counterparts. This book

List comprehensions Generator expressions Set comprehensions Dict comprehensions Write Python code like the masters

These constructs, while not necessary per se, allow you to be more succinct, reuse code, and think about code in a different way. You will

How the constructs work When to use them Real-life examples from the standard library To understand other' 'code This book covers many of these intermediate constructs that are available in Python. The book covers both Python 2 and 3. Topics

Functional programming List comprehensions Generator expressions Set and dict comprehensions

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First published May 17, 2013