python如何从行中提取符合的信息，正则表达式

importre
file_object=open('temp.txt')
try:
str=file_object.read()
finally:
file_object.close()
result=re.findall("(\d+%)S\s+\d+(\d+)K\s+(\d+)K",str)
f=open("test.csv","w")
forlineinresult:
f.write("%s,%s,%s\n"%(line[0],line[1],line[2]))
f.close()