Chapter 1. Python Shortcuts

Section 1.1.  Introduction

Section 1.2.  Swapping Values WithoutUsing a Temporary Variable

Section 1.3.  Constructing a Dictionary Without Excessive Quoting

Section 1.4.  Getting a Value from a Dictionary

Section 1.5.  Adding an Entry to a Dictionary

Section 1.6.  Associating Multiple Values with Each Key in a Dictionary

Section 1.7.  Dispatching Using a Dictionary

Section 1.8.  Collecting a Bunch of Named Items

Section 1.9.  Finding the Intersection of Two Dictionaries

Section 1.10.  Assigning and Testing with One Statement

Section 1.11.  Using List Comprehensions Instead of map and filter

Section 1.12.  Unzipping Simple List-Like Objects

Section 1.13.  Flattening a Nested Sequence

Section 1.14.  Looping in Parallel over Index and Sequence Items

Section 1.15.  Looping Through Multiple Lists

Section 1.16.  Spanning a Range Defined by Floats

Section 1.17.  Transposing Two-Dimensional Arrays

Section 1.18.  Creating Lists of Lists Without Sharing References