下面程序的输出结果是()。 s="Hi,Python" #逗号为英文符号 s.replace("Hi","Hello") print(s) 提示:注意大小写,字符串中间不要添加多余空格

下面程序的输出结果是()。 s="Hi,Python" #逗号为英文符号 s.replace("Hi","Hello") print(s) 提示:注意大小写,字符串中间不要添加多余空格


参考答案和解析
D 函数的功能是将数组的元素交换,首先s1=p,即s1指向1,s2=p+7-1,即s2指向7,t=*s1++,将1赋给t,然后s1指向2,*s1=*s2++,将7赋给s1,即原来2的位置,s2指向6,然后*s2=t,将1赋给*s2即原来6的位置,…….

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