pip3 install psutil

import psutil
import time


def getMemory():
    data = psutil.virtual_memory()
    memory = str(int(round(data.percent))) + "%"
    return memory

def getCpu():
    cpu = str(round(psutil.cpu_percent(interval=1), 2)) + "%"
    return cpu


def main():
    while (True):
        memory = getMemory()
        cpu = getCpu()
        time.sleep(0.2)
        print("CPU占用：%s \t 内存占用：%s"%(cpu, memory))


if __name__ == "__main__":
    main()

内存没啥毛病，CPU的好像不太准（比实际小一点点），等着我再看看有没有啥更好的方法更新在这里

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