import clr

clr (common language runtime) is an IronPython module that provides some basic .NET functionalities, such as string methods

import re

Import this library if you want to use regular expressions

from System.Collections.Generic import Dictionary

Use this library to create dictionary objects, which are useful to store an indexed list

from System.Drawing import Color

Use this library to define your own custom colors

from System.Drawing import Font

Use this library to manipulate fonts

from System import Guid

Import this library if you want to reference system global unique identifiers (GUID)

from System import Array,String,Object

Use this library to get access to .NET array, string, and object methods