没法执行啊
sum = 0 x = 1 n = 1 while True: if n>20 break sum = sum + x x = x*2 n = n+1 print sum 为啥没法执行啊
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sum = 0 x = 1 n = 1 while True: if n>20 break sum = sum + x x = x*2 n = n+1 print sum 为啥没法执行啊
2018-01-05
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