设计一个字符串函数reverses，它返回字符串s的反串，例如reverse("abc")返回("cba"

好的，以下是一个Python实现的reverses函数：

def reverses(s):
    return s[::-1]

这里使用了Python的切片操作，s[::-1]表示从后往前取字符串s的所有字符，步长为-1，也就是反向取。因此，函数返回的就是字符串s的反串。

相关问题

In your text file write a function that reverses an array of ints: void reverse(int* array, int numElements){ // your code here } Example input: int a[6] = {3,6,8,1,3,6} reverse(a, 6); // should result in {6,3,1,8,6,3}

答案：void reverse(int* array, int numElements){
int i, j, temp;
for (i = 0, j = numElements - 1; i < j; i++, j--) {
temp = array[i];
array[i] = array[j];
array[j] = temp;
}
}

c++ reverse

Sure! If you want to reverse a string in C, you can use the following code:

#include <stdio.h>
#include <string.h>

void reverseString(char* str) {
    int length = strlen(str);
    int start = 0;
    int end = length - 1;
    
    while (start < end) {
        char temp = str[start];
        str[start] = str[end];
        str[end] = temp;
        
        start++;
        end--;
    }
}

int main() {
    char str[] = "Hello, World!";
    
    printf("Original string: %s\n", str);
    
    reverseString(str);
    
    printf("Reversed string: %s\n", str);
    
    return 0;
}

This code defines a function `reverseString` that takes a character array (`str`) as input and reverses the string in-place. The `main` function demonstrates how to use this function by reversing the string "Hello, World!" and printing the result.