class Post:
    def __init__(self, author, text):
        
        print("Setting post data:", author, text)
        self.author = author
        self.text = text
        self.post_time = "Now"
        self.reactions = []
        self.comments = []
        
    def create(self):
        print("Post.create() called")
        
    def react(self):
        print("Post.react() called")
        
    def comment(self):
        print("Post.comment() called")
        
    def edit(self):
        print("Post.edit() called")
        
    def delete(self):
        print("Post.delete() called")

class CheckIn(Post):
    
    def __init__(self, author, text, location):
        super().__init__(author, text)
        
        self.location = location
        
    def create(self):
#         super().create()
        print("CheckIn.create() called")
        
    def update_location(self):
        print("CheckIn.update_location() called")
        
    def set_location_name(self):
        print("CheckIn.set_location_name() called")
        

x = CheckIn("Cody", "Test post", "UMD")
x.comment()

Setting post data: Cody Test post
Post.comment() called

x.create()

CheckIn.create() called

x.set_location_name()

CheckIn.set_location_name() called

class Picture(Post):
    
    def __init__(self, author, text, media):
        super().__init__(author, text)
        
        self.media = media
        
    def create(self):
        print("Picture.create() called")
        

y = Picture("Cody", "My picture description", "<waving>")
y.create()

Setting post data: Cody My picture description
Picture.create() called

y.text

'My picture description'

issubclass(CheckIn, Post)

True

isinstance(CheckIn("Cody", "Text", "UMD"), CheckIn)

Setting post data: Cody Text

True

isinstance(CheckIn("Cody", "Text", "UMD"), Post)

Setting post data: Cody Text

True

# What happens without the call to super() in the initializer?

class Pet:
    def speak(self):
        print(self.sound)
        
    def identify(self):
        print("I am a pet", self.kind)
        
    def __str__(self):
        return "I am a pet %s" % self.kind
    
class Fish(Pet):
    kind = "fish"
    sound = "bloop"
    
class Dog(Pet):
    kind = "dog"
    sound = "whoof!"

f = Fish()

f.speak()

bloop