這個編譯結果和題目的答案一致，為什么說我不正確？
for x in ['1','2','3','4','5','6','7','8','9']:
? ? ? ? for y in ['1','2','3','4','5','6','7','8','9']:
? ? ? ? ? ? ? ? if x<y:
? ? ? ? ? ? ? ? ? ? ? ? print x+y?
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for x in ['1','2','3','4','5','6','7','8','9']:
? ? ? ? for y in ['1','2','3','4','5','6','7','8','9']:
? ? ? ? ? ? ? ? if x<y:
? ? ? ? ? ? ? ? ? ? ? ? print x+y?
2015-12-22
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2016-01-28
因為有單引號 是個字符，所以不用加x * 10 + y
2016-01-28
是不是逗號打錯了。我也是那樣，通過了呀。下面是我的
for x in [ '1','2','3','4','5','6','7','8','9' ]:
??? for y in [? '1','2','3','4','5','6','7','8','9' ]:
??????? if x<y:
??????????? print x+y
2015-12-22
for x in [1, 2, 3, 4, 5, 6, 7, 8, 9]:
? ?for y in [0, 1, 2, 3, 4, 5, 6, 7, 8, 9]:
? ? ? ?if x < y:
? ? ? ? ? ?print x * 10 + y
2015-12-22
x+y？10x+y啊兄弟