python运行在linux获取cpu信息

mem_info_dic={
“total”: ‘’,
“free”: ‘’
}
mem_list ={
“MemTotal”: ‘3865304 kB’,
“MemFree”: ‘3026636 kB’

}
for mem_item in mem_list:
key,val = mem_item.split("?
val_int = int(val.split()[0].trip())
# val2m = f"{str(val_int / 1024) +’ M’}"
val2m = “{:.2f} M”.format(val_int /1024)
if ‘total’ in key.lower():
mem_info_dic[‘total’] = val2m
elif “free” in key.lower():
mem_info_dic[‘free’] = val2m
print(mem_info_dic)