如何将浮点数向下舍入到小数点后3位？

import math

def floor_to_3_decimal_places(number):
    return math.floor(number * 1000) / 1000

# 示例
number = 3.14159
result = floor_to_3_decimal_places(number)
print(result)  # 输出: 3.141

function floorTo3DecimalPlaces(number) {
    return Math.floor(number * 1000) / 1000;
}

// 示例
let number = 3.14159;
let result = floorTo3DecimalPlaces(number);
console.log(result);  // 输出: 3.141

public class FloorExample {
    public static double floorTo3DecimalPlaces(double number) {
        return Math.floor(number * 1000) / 1000;
    }

    public static void main(String[] args) {
        double number = 3.14159;
        double result = floorTo3DecimalPlaces(number);
        System.out.println(result);  // 输出: 3.141
    }
}