Random String Temp File Analysis

This function creates a temporary file, writes a random string to it, then uses regular expressions to find all lowercase letters and calculate their average length.

Technology Stack : os, math, random, re

Code Type : Function

Code Difficulty : Intermediate

                
                    
import math
import os
import random
import re
import shutil
import smtplib
import socket
import sys

def xxx(arg1, arg2, arg3):
    # 创建一个临时文件
    temp_file_path = os.path.join(os.tempdir(), 'tempfile.txt')
    with open(temp_file_path, 'w') as temp_file:
        # 生成一个随机字符串并写入临时文件
        random_string = ''.join(random.choices('abcdefghijklmnopqrstuvwxyz', k=10))
        temp_file.write(random_string)

    # 使用正则表达式查找临时文件中的所有小写字母
    pattern = re.compile(r'[a-z]+')
    matches = pattern.findall(open(temp_file_path, 'r').read())

    # 计算平均值
    average_length = sum(len(match) for match in matches) / len(matches)

    # 删除临时文件
    os.remove(temp_file_path)

    # 返回平均值
    return average_length