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云计算开发实例:Python3对字符串切片及翻转
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简介...
如何在Python3中判断字符串长度,首云计先给定一个字符串,从头部或尾部截取指定数量算开的字符串,然后将其翻转拼接。
实例
执行以上代发实码输出结果为:
延伸
利用索引进行切片操作时,可包含三例:个参数:
如对列表来说即:list[startPy_index: stop_index: stepth]。
起始位置 : start_index (空时默认on为 0)。
终点位置: stop_index (3对空时默认为列表长度) 需要注意起点与终点索字符引的位置关系。
步长: step (空时默认为 1串切,不能为 0)。
例如用于整个字符翻转:
执行以上代码片及输出结果为:
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