def removeCoin():
	coinlist = ["a", "b", "c", "d"]
	while True:
		print("\nThe list of coins you're currently tracking is: \n" + "\n".join(coinlist) + "\n")
		yes_or_no = input("Do you want to remove a coin from the list? (Y/N):").upper()
		
		if yes_or_no == "Y":
			try:
				coinlist.remove(input("Which coin do you want to remove?").upper())
				print("\nThe list of coins you're currently tracking is: \n" + "\n".join(coinlist) + "\n")
			except ValueError:
				print("There is no such coin in the list")

		if yes_or_no == "N":
			return coinlist

		else:
			"You didn't input a valid coin"

removeCoin()