import sys,re for line in sys.stdin: a = line # 本来想用re库,但是replace好像更方便诶 a_ = a.replace('a=','').replace('b=','').replace('\n','') # 注意有换行符,也得替换掉 # a = re.findall("a=(.*?),b=(.*?)") # re正则匹配把数值提取出来 a__ = a_.split(',') print(f'a={a__[1]},b={a__[0]}')