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sum = 0 x = 1 n = 1 while True: sum=sum+x x=2^n n=n+1 if x > 20: break print sum 为什么这样子出来的结果不对
2017-06-10
源自:初识Python 5-6
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summ = 0 x = 1 n = 1 while Ture: summ = summ + x x = 2**n n = n + 1 if n > 20: break print summ
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