Python核心編程第十章筆記

with語句

withopen('/etc/passwd', 'r') as f:

foreachLine in f:

#...do stuff with eachLine or f...

斷言語句

下面有一些演示assert用法的語句:

assert 1 == 1

assert 2 + 2 == 2 * 2

assert len(['my list', 12]) < 10

assert range(3) == [0, 1, 2]