triathlete.py

class Athlete:
    def __init__(self):
        pass
    
    def breathe(self):
        print("I am breathing")
        
    def eat(self):
        print("I am eating")  

    def sleep(self):
        print("I am sleeping") 

    def train(self):
        print("I am training") 

class Runner(Athlete):
    def __init__(self):
        pass

    def run(self):
        print("I am running")

class Cyclist(Athlete):
    def __init__(self):
        pass

    def cycle(self):
        print("I am riding my bike")


class Swimmer(Athlete):
    def __init__(self):
        pass

    def swim(self):
        print("I am swimming")



class Triathlete(Runner, Cyclist, Swimmer):
    def train(self):
        pass # ????

tri = Triathlete()
tri.breathe() # from Person
tri.sleep() # from Person 
tri.eat() # from Person


tri.run() # from Runner
tri.cycle() # from Cyclist
tri.swim() # from Swimmer
tri.train() # ????