s = 'ABCDLSESRF'#索引
s1 = s[0]print(s1)
s2 = s[2]print(s2)s3 = s[-1]print(s3)s4 = s[-2]
print(s4)
posted on 2018-09-20 18:00 魔王李等猴哥的日子 阅读(582) 评论(0) 编辑 收藏 举报
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