Python Crash Course

INDEX

Symbols

+ (addition), 30

* (asterisk) operator, 157

.bmp (Bitmap) image files, 244

+ (concatenation operator), 101–102

/ (division), 30

== (equality operator), 77

> (greater than), 79

>= (greater than or equal to), 79

# (hash mark), for comments, 33

!= (inequality operator), 78

< (less than), 79

<= (less than or equal to), 79

% (modulo operator), 120–121

* (multiplication), 30

\n (newline), 26

! (not), 78

+= operator, 119

.py file extension, 20

[] (square brackets), 38

- (subtraction), 30

\t (tab), 26

A

addition (+), 30

aliases, 156, 157

alice.py, 203–205

Alien Invasion project. See also Pygame

aliens

Alien class, 267

building fleet of, 269–275

changing directions, 278

checking edges, 278

creating, 266

creating rows of, 270

drawing to the ...