这个编译结果和题目的答案一致,为什么说我不正确?
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
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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