python隐含的特性

本文源自（http://stackoverflow.com/questions/101268/hidden-features-of-python）希望介绍Python非常有用，而比较忽视的Python用法。希望我和大家都写出高质量的python代码(查看PEP8)。本文是一个系列文章，环境为Python2.x。

Argument Unpacking
Braces
Chaining Comparison Operators
Decorators
Default Argument Gotchas / Dangers of Mutable Default arguments
Descriptors
Dictionary default .get value
Docstring Tests
Ellipsis Slicing Syntax
Enumeration
For/else
Function as iter() argument
Generator expressions
import this
In Place Value Swapping
List stepping
__missing__ items
Multi-line Regex
Named string formatting
Nested list/generator comprehensions
New types at runtime
.pth files
ROT13 Encoding
Regex Debugging
Sending to Generators
Tab Completion in Interactive Interpreter
Ternary Expression
try/except/else
Unpacking+print() function
with statement