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
.getvalue - 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
.pthfiles- ROT13 Encoding
- Regex Debugging
- Sending to Generators
- Tab Completion in Interactive Interpreter
- Ternary Expression
try/except/else- Unpacking+
print()function withstatement