# class把数据和函数结合在一起

class TongXue:
 """代表一名同学"""
 def __init__(self, name, weight):
 self.name = name
 self.weight = weight
 
 def show_weight(self):
 print(f"{self.name} 同学的体重是 {self.weight} 千克.")

txXB = TongXue("Xiao Bao", 42)
txYY = TongXue("Yuan Yuan", 55)

txXB.show_weight()
txYY.show_weight()