Python implement repeatable functions via while True loop and time.sleep

import uuid
from datetime import datetime
import threading
import time
import psutil
import os
import threadingidx=0
idx_lock=threading.Lock()def get_mem():global idxpid=os.getpid()proc=psutil.Process(pid)mem_info=proc.memory_info()rss_mem=f'{mem_info.rss/1024/1024:.2f} M'vms_mem=f'{mem_info.vms/1024/1024:.2f} M'sys_mem=psutil.virtual_memory()total_mem=f'{sys_mem.total/1024/1024/1024:.2f} G'avail_mem=f'{sys_mem.available/1024/1024/1024:.2f} G'used_rate=f'{sys_mem.percent} %'return f'Idx:{idx},{datetime.now()},PId:{pid},rss:{rss_mem},vms mem:{vms_mem},total mem:{total_mem},available mem:{avail_mem},used rate:{used_rate}'def get_idx():global idxwith idx_lock:idx+=1current_idx=idxreturn idxdef get_time_uuid():return f'Idx:{get_idx()},{datetime.now().strftime('%Y%m%d%H%M%S%f')}_{uuid.uuid4().hex}'def get_uuid_time():return f'{uuid.uuid4().hex}_{datetime.now().strftime('%Y%m%d%H%M%S%f')},Idx:{get_idx()}'if __name__=='__main__':while True:print(get_time_uuid())print(get_uuid_time())print(get_mem())time.sleep(1)