How to use JSON in python

JSON stands for JavaScript Object Notation. It is a light-weight text format that usually used it for data interchange (alternative choice to XML based). We can use it in  RESTful services.
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Now, it just a example how encrypt and decrypt JSON in Python. The most important in JSON is the property key must be string only.

The followings are available data type in JSON:

• Number (double precision floating-point format) => Map to int, long, float in Python
• String (double-quoted Unicode with backslash escaping) => Map to str, unicode
• Boolean (true or false) => Map to True,  False
• Array (an ordered sequence of values, comma-separated and enclosed in square brackets) => Map to list, tuple
• Object (a collection of key:value pairs, comma-separated and enclosed in curly braces; the key must be a string) => Map to dict
• null => Map to None

More details at:
http://en.wikipedia.org/wiki/JSON, http://www.json.org/, http://docs.python.org/library/json.html

Example:

# Python can use json from standard library
import json
# Create object in python
ob = {'name':'Json','email':['x@a.com','x@b.com']}
# Convert python object into json string format
jstring = json.dumps(ob)
print jstring
# Load python object from json string
jobject = json.loads(jstring)
print jobject