BTC_AND_GOLD.py

import requests 
ui_bitcoin = ["bitcoin", "bitcoin price"]
ui_gold = ["gold", "gold price"]
bye = ["bye", "goodbye", ""]


def ui(enter):
    for word in ui_bitcoin:
        if enter.lower().strip() == word.lower().strip():
            bit = requests.get('https://api.coindesk.com/v1/bpi/currentprice.json')
            print ('₤' + bit.json()['bpi']['GBP']['rate'] + " For 1 BTC")
            return bit
    for worn in ui_gold:
        if enter.lower().strip() == word.lower().strip():
            gold = requests.get('http://gold-feed.com/paid/d7d6s6d66k4j4658e6d6cds638940e/all_metals_json_usd.php')
            print ('₤' + (gold.json()['gold_londonfix_pm']) + " Per 10 grams of 14K gold")
    for word in bye:
        if enter.lower().strip() == word.lower().strip():
            gbye = ("Thank you for using our service!")
            print(gbye)
            exit()
            return gbye

while True:
    ui(input("Please enter Bitcoin or Gold: "))