Ekranda Kayan Yazı

 from time import sleep

userInput = input("Herhangi bir karakter giriniz: ")

class KayanYazi(object):
    print(" Kayan Yazi ".center(50, "*"))
    def __init__(self, name):
        self.name = name

    def kayan_yazi(self):
        for i in range(0,20):
            print(self.name.rjust(len(self.name)+1," "), end="")
            sleep(0.5)
            print("".ljust(len(self.name),"\b") ,end="")
        for i in range(0,20):
            print(self.name.ljust(len(self.name), " "), end="")
            sleep(0.5)
            print("".rjust(len(self.name)+1,"\b") ,end="")

KayanYazi(userInput).kayan_yazi()