实时获取服务器cpu、内存使用情况

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#pip install psutil import psutil import os,datetime,time    def getMemCpu():  data = psutil.virtual_memory()  total = data.total #总内存,单位为byte  free = data.available #可以内存  memory = "Memory usage:%d"%(int(round(data.percent)))+"%"+" "  cpu = "CPU:%0.2f"%psutil.cpu_percent(interval=1)+"%"  return memory+cpu    def main():     while(True):   info = getMemCpu()   time.sleep(0.2)   print(info+"\b"*(len(info)+1))    if __name__=="__main__":  main()