import sys class Nowcoder: def __init__(self,name,id,num) -> None: self.name = name self.id = id self.num = num def printInfomation(self): print("{}'s ID is {}, and his or her number of signing in is {}.".format(self.name,self.id,self.num)) class IT(Nowcoder): def __init__(self, name, i...
