#!/usr/bin/env python
# -*- coding: utf-8 -*-

'''@package _cookbook
Python Cookbook

  - unittest
  - doctest
  - Number Division
  - Loop Techniques
  - Unpack Iterable
  - Output Format
  - Function Arguments
  - OOP
  - Context Manager
  - file I/O
  - Find & Sort Algorithms
  - Text Pattern
  - Network
  

## Command Line Options

    `-t`  Issue a warning when a source file mixes tabs and spaces for
          indentation in a way that makes it depend on the worth of a tab
          expressed in spaces.
        
    `-tt` Issue a error when a source file mixes tabs and spaces for
          indentation in a way that makes it depend on the worth of a tab
          expressed in spaces.
        
    `-O`  Turn on basic optimizations. This changes the file name extension for
          compiled (bytecode) files from <em>.pyc</em> to <em>.pyo</em>, and set
          the <code>__debug__</code> to <code>False</code>.
       
    `-OO` Discard docstrings in addition to the <em>-O</em> optimizations.
    

## PEP

- [PEP 8 - Style Guide for Python Code](http://legacy.python.org/dev/peps/pep-0008/)


      
Copyright (c) 2014 Li Yun <leven.cn@gmail.com>
All Rights Reserved.

THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
ARE DISCLAIMED.  IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
POSSIBILITY OF SUCH DAMAGE.
'''

from __future__ import print_function


if __name__ == '__main__':
    print('Hello Python!')

@@ -1102,16 +1102,96 @@
 -0008/)%0A
+- %5BPEP 257 - Docstring Conventions%5D(http://legacy.python.org/dev/peps/pep-0257/)
 %0A%0A      

Add "PEP 257" to cookbook