摘要：class studentDoc: def __init__(self,stu_num,name,major,score): self.stu_num=stu_num self.name=name self.major=major self.score=score def info(self): p 阅读全文

摘要：with open("data6_1.txt","r",encoding="utf-8") as f: data=f.read().split("\n") data1=[str(m).split("\t") for m in data] data1.sort(key=lambda x: x[2],r 阅读全文