这份资料针对python语言，较为详细地介绍了tkinter各方面内容，适合初学者使用。

This a simple clock software which was written by python. It has GUI which was generated by tkinter library.-This is a simple clock software which was written by python. It has GUI which was generated by tkinter library.

Bhaskar Chaudhary-Tkinter GUI Application Development HOTSHOT-Packt Publishing (2013)一书的pdf，epub和源码，网上很难找到的源码。如果真想学tkinter，认真读完前4章大致就会了。书的附录在开发中也特别有用。-pdf,epub version and source code for the book, the source code is hard to come by on the net

python tkinter 几种常用布局