新的提交
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@ -1,2 +1,3 @@
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a = 'sb114514'
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print(a[:2].isalpha())
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# print(a[:2].isalpha())
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print(a[7:8]+a[6:7]+a[5:6]+a[4:5]+a[3:4]+a[2:3]+a[1:2]+a[0:1])
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