import os import time as t def start_appium(port = 4723,udid="4871660c"):     a = os.popen("netstat -ano | findstr '%s'"%port)     t.sleep(2)     t1 = a.read()     print(t1)     if "LISTENING" in t1:         print("appium服务已经启动%s"%t1)         # s = t1.split(" ")         # s1 = [t for t in s if t != " "]         # pip = s1[-1].replace("\n","")     else:         # 启动appium服务         # appium -a 127.0.0.1 -p 4740 -U emulator-5554 127.0.0.1:62001 --no-reset         os.system("appium -a 127.0.0.1 -p %s -U %s --no-reset" % (port, udid))         print("Error") start_appium()