摘要：class StudentDoc: def __init__(self, number, name, work, mark): self.number=number self.name=name self.work=work self.mark=mark def info(self): print( 阅读全文

摘要：实验7 import datetimet = datetime.datetime.now()tans = t.strftime('%Y%m%d')num = int(input("想抽的人数："))with open('D:\\data7.txt','r+',encoding="utf-8") as 阅读全文