python 類的簡單寫法

class MyClass:
  name = ''
  age = 0
  __weight = 0 #私有變量
  
  def __init__(self, n, a, w): #self必須作爲函數的第一個參數
    self.name = n
    self.age = a
    self.__weight = w

  def speak(self):
    print('%s 說：我 %s 歲'%(self.name, self.age))

x = MyClass('yao', 10, 30)

x.speak()