删除数组的尾随空格

def remove_trailing_spaces(arr):
    for i in range(len(arr)):
        arr[i] = arr[i].rstrip()
    return arr

public String[] removeTrailingSpaces(String[] arr) {
    for (int i = 0; i < arr.length; i++) {
        arr[i] = arr[i].replaceAll("\\s+$", "");
    }
    return arr;
}

function removeTrailingSpaces(arr) {
    for (let i = 0; i < arr.length; i++) {
        arr[i] = arr[i].replace(/\s+$/, "");
    }
    return arr;
}