集合，映射，列表 认识数据类型 with open (txt.txt,'r') as f: \ts='' article=f.readlines() #print(article) for line in article: s+=line s=s.replace(, , ) s=s.replace(. , ) s=s.replace(! , ) s=s.replace('' , ) s=s.replace(: , ) s=s.replace(? , ) s=s.repla