import time
import subprocess
import locale
import codecs
import os
cmd = "nvidia-smi"
interval = 3
while True:
    ps = subprocess.Popen(cmd, stdin=subprocess.PIPE, stdout=subprocess.PIPE, shell=True)
    for i in range(0,13):
        data = ps.stdout.readline()
        # bytes转化为str
        data = str(data)
        # 判断是否开始于"b'",去掉
        if data.startswith('b\''):
            data = data[2:]
        #同样去掉尾部
        if data.endswith('\\r\\n\''):
            data = data[:len(data)-5]
        print(data)
    print("\n\n\n\n\n\n\n")
    time.sleep(interval)