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摘要： 6、1 while 语句6、2 循环的执行阶段Iteration, Loop test, loop exit, Termination condition6、3 使用while语句的循环Count-Controlled Loops and Event-Controlled LoopsLooping Subtasks:Counting, Summing, Keeping track of a previous value6、4 如何设计循环What is the condition that ends the loop?How should the condition be initialize 阅读全文