def powanddivide(x,n=2,m=1): return x**n/m print(powanddivide(3,2,5)) # 1.8 3的二次方除以5等于1.8 print(powanddivide(3,m=1,n=2)) # 9.0 3的二次方等于9 class Player: #我的理解:创建类Player name = '' def __init__(self,name): self.name = name pl1 = Player('PlayerX') #初始化类,并向其中放入一个name,值为PlayerX print(pl1.name) # PlayerX #输出这个结果