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设str=.python.，想把字符串的第一个字母大写，其他字母还是小写，正确的选项是：

A、print(str[0].upper()+str[1:])

B、print(str[1].upper()+str[-1:1])

C、print(str[0].upper()+str[1:-1])

D、print(str[1].upper()+str[2:])

时间：2021-09-01 20:46 关键词：联大河南理工大学计算机科学与技术 Python语言程序设计

答案解析

A

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