Random Filename Generator with Directory and Extension

This function generates a random filename and specifies the directory and file extension.

Technology Stack : os, random

Code Type : Code generation

Code Difficulty :

                
                    
import os
import random
import json
import re

def random_filename(directory, extension='.txt'):
    """
    生成一个随机文件名。

    :param directory: 文件存储的目录
    :param extension: 文件扩展名，默认为.txt
    :return: 生成的随机文件名
    """
    filename = f"{random.randint(1000, 9999)}{extension}"
    return os.path.join(directory, filename)