Python Programming Language

Python is a programming language that lets you work more quickly and integrate your systems more effectively. You can learn to use Python and see almost immediate gains in productivity and lower maintenance costs.

Python runs on Windows, Linux/Unix, Mac OS X, and has been ported to the Java and .NET virtual machines.

Python is free to use, even for commercial products, because of its OSI-approved open source license.

Here are some links to documentations

Browse Python 3.2.3 Documentation - (Module Index)

• What's new in Python 3.2
• Tutorial
• Library Reference
• Language Reference
• Extending and Embedding
• Python/C API
• Using Python
• Python HOWTOs

and 

• Beginner's Guide to Python
• The Hitchhiker's Guide to Packaging (creating and distributing Python packages)
• Quick Reference Guide (off-site)
• New-style classes (aka descrintro)
• Python Periodicals
• Guido's essays and presentations
• Non-English documents