import subprocess

# 如果当前目录下有"logs.txt"文件，先删除它
try:
    os.remove("logs.txt")
except FileNotFoundError:
    pass

with open("logs.txt", "w") as log_file:
    # 执行您的Python程序，将标准输出和标准错误重定向到/dev/null
    proc = subprocess.Popen(['python', 'v2_3.py'], stdout=subprocess.DEVNULL, stderr=subprocess.STDOUT)

    # 循环读取标准输出并写入日志文件
    while True:
        output = proc.stdout.readline()
        if not output:
            break
        log_file.write(output.decode("utf-8"))
    
    # 等待程序执行完成
    proc.wait()