class employee: def __init__(self,name,salary): self.n = name self.s = salary def pr(self): print(f"{self.n}'salary is {self.s}, and his age is {self.a}") n = input() s = input() a = input() e = employee(n,s) if hasattr(e,'a'): e.pr() else: print(hasattr(e,'a')) setattr(e,'a',a) e.pr()