Computer Science Circles 在线学 Python (Python 3)

[cmi]

http://cscircles.ca/

"Computer Science Circles is a free service of the Centre for Education in Mathematics and Computing at the University of Waterloo."

在Python的新手指南里发现的，那里一大堆入门学习方法。
http://wiki.python.org/moin/BeginnersGuide/NonProgrammers

感觉这个简单有趣。

我卡在这里了：
http://cscircles.cemc.uwaterloo.ca/2x-extra-practice/#pybox8

[autozimu]

tmp = max(x, y)
x = min(x, y)
y = tmp
tmp = max(y, z)
y = min(y, z)
z = tmp
tmp = max(x, y)
x = min(x, y)
y = tmp