classes.py

class Person:
  def __init__(self,in_name,in_age):
    self.name = in_name
    self.age = in_age
      
  def get_name(self):
    return self.name
    
  def get_age(self):
    return self.age  


class Customer(Person):
  def __init__(self, in_name, in_age):
    super().__init__(in_name, in_age)
    self.has_ticket = False
    self.in_zoo = False

  def buy_ticket(self):
    self.has_ticket = True
    print(self.name  + " bought a ticket.")

  def enter_zoo(self, zoo):
    if self.has_ticket == True:
      self.has_ticket = False
      zoo.add_customer(self.name)
      
      self.in_zoo = True
    else:
      print("Purhcase a ticket before entering the zoo.")

  def exit_zoo(self, zoo):
    if self.in_zoo:
      self.in_zoo = False
      zoo.remove_customer(self.name)


class Zoo:
  def __init__(self,name="Local Zoo"):
    self.name = name
    self.animals = []
    self.customers = []

  def add_animal(self, animal):
    self.animals.append(animal)
    print(f"{self.name} has a(n) {animal}")
  
  def add_animals(self, animals):
    self.animals.extend(animals)
    print(f"{self.name} has many animals")
  
  def add_customer(self, name):
    self.customers.append(name)
    print(f"{name} has entered {self.name}")

  def remove_customer(self, name):
    self.customers.remove(name)
    print(f"{name} has left {self.name}")
  
  def visit_animals(self):
    for a in self.animals:
      print(f"Visiting {a.get_name()}")
      a.make_noise()
      a.eat_food()


class Animal:
  def __init__(self,name):
    self.name = name
  def get_name(self):
    return self.name
  def make_noise(self):
    print("Every animal makes noise")
  def eat_food(self):
    print("All creatures need sustenance")


class Fish(Animal):
  def __init__(self, name):
    super().__init__(name)

  def make_noise(self):
    print(f"{self.name} says blub, blub, blub")

  def eat_food(self):
    print(self.name + " eats flakes.")


class Bird(Animal):
  def __init__(self, name):
    super().__init__(name)

  def make_noise(self):
    print(self.name + " noises.")

  def eat_food(self):
    print(self.name + " eats worms.")


class Chimp(Animal):
  def __init__(self, name):
    super().__init__(name)

  def make_noise(self):
    print(self.name + " noises.")

  def eat_food(self):
    print(self.name+"s" + " eating bananas.")

laZoo = Zoo("LA Zoo")

salmon = Fish("Salmon")
robin = Bird("Robin")
bonobo = Chimp("Bonobo")
laZoo.add_animals([salmon, robin, bonobo])

alice = Customer("Alice",25)
bob = Customer("Bob",20)
salmon = Customer("Salmon",1)
charlie = Customer("Charlie",10)
dave = Customer("Dave",30)
for c in [alice, bob, salmon, charlie, dave]:
  c.buy_ticket()
  c.enter_zoo(laZoo)
laZoo.visit_animals()
for c in [alice, bob, salmon, charlie, dave]:
  c.exit_zoo(laZoo)