什麽是 expression, 什麽是 statement? 应该有分这两种, 写了很久的python了 还是没弄懂 http://norvig.com/python-iaq.html Java and C++ have the ternary conditional operator (test ? result : alternative). Python has resisted this, but in the upcoming Python 2.5 it will allow expressions of the form (result if test else alternative). This undermines Python's clear distinction between expressions and statements, but it is a compromise that many people have asked for. "distinction between expression and statements" 不懂他什麽意思 --

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