ans = input("please enter n or y")
 
while ans != "n" and ans != "y":
    ans = input("please enter n or y")
    if ans == "y":
        print(ans, "is a y") 
    elif ans == "n":
        print(ans, "is a n") 
    else:   
        print("please reenter") 
print(ans, "is right")