Head First Learn to Code

Index

Symbols

\ (backslash) 400

: (colon)

file paths 401

indented statements and 82, 105, 183

key/value pairs 364

slice syntax and 272–273

, (comma) 255, 364, 579

{} (curly brackets) 445, 580

. (dot notation)

attributes and 321

classes and modules 318

docstrings 300–302

examples of 77, 294, 308, 529

methods and 321

variables and 321

__ (double underscore) 51

== (equality operator) 81–82, 93

= (equal sign)

assignment operator 38, 82

keywords arguments 212

** (exponentiation operator) 47–48

/ (forward slash)

as division operator 47–48

as file path separator 400–401

> (greater than operator) 80, 93

>= (greater than or equal to operator) 81

# (hash character) 24, 99

< (less than operator) 93

% (modulus operator) 47–49

* (multiplication operator) 45, 47–48

- (negation operator) 47–48

!= (not equal operator) 81, 101–102

() (parentheses)

Boolean expressions and 102

in functions 60, 183

grouping operations 45

operator precedence and 48

subclassing 536

+ (plus sign)

addition operator 47–48, 158

concatenation and 25–26

>>>> prompt 40

“” (quotation marks)

declaring lists 25–26

strings and 42, 88, 250–251

[] (square brackets) 24–25

- (subtraction operator) 47–48

@ syntax 583

_ (underscore) 51

A

ABC programming language 15

absolute paths 401

abstracting code

about , 179–182, xiv–xvii

avatar example 195–199

object-oriented programming. See OOP

organizing modules for reuse 292–293, 299–304

turning into functions 183–190, 525

Web APIs and. See Web APIs

access tokens (Web API) 440

addition ...