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這樣寫為什么運行不了呢
2018-08-18
源自：初識Python 10-4
正在回答
print ([a*100+b*10+c for a in [1,2,3,4,5,6,7,8,9] for b in [0,1,2,3,4,5,6,7,8,9]? for c in [1,2,3,4,5,6,7,8,9]? if a==c])
因為123456789≠1,2,3,4,5,6,7,8,9
print [a*100+b*10+c for a in range(1,10) for b in range(0,10) for c in range(1,10) if a==c]
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2018-09-04
print ([a*100+b*10+c for a in [1,2,3,4,5,6,7,8,9] for b in [0,1,2,3,4,5,6,7,8,9]? for c in [1,2,3,4,5,6,7,8,9]? if a==c])
因為123456789≠1,2,3,4,5,6,7,8,9
2018-08-18
print [a*100+b*10+c for a in range(1,10) for b in range(0,10) for c in range(1,10) if a==c]