二十五岁时我们都一样愚蠢、多愁善感，喜欢故弄玄虚，可如果不那样的话，五十岁时也就不会如此明智。
标题：Python3 类继承
Python3 类继承
#!/usr/bin/python3 class Parent: # define parent class parentAttr = 100 def __init__(self): print ("Calling parent constructor") def parentMethod(self): print ('Calling parent method') def setAttr(self, attr): Parent.parentAttr = attr def getAttr(self): print ("Parent attribute :", Parent.parentAttr) class Child(Parent): # define child class def __init__(self): print ("Calling child constructor") def childMethod(self): print ('Calling child method') c = Child() # instance of child c.childMethod() # child calls its method c.parentMethod() # calls parent's method c.setAttr(200) # again call parent's method c.getAttr() # again call parent's method
