Currency Twitter Script

import tweepy
import csv
import io
import urllib.request
import datetime
import pytz

exchangeRates = []
currencyCodes = ['AUD', 'USD', 'CAD', 'JPY', 'CNY', 'EUR', 'GBP']

url = 'http://finance.yahoo.com/d/quotes.csv?e=.csv&f=sl1d1t1&s=NZDAUD=X,NZDUSD=X,NZDCAD=X,NZDJPY=X,NZDCNY=X,NZDEUR=X,NZDGBP=X'
webpage = urllib.request.urlopen(url)
datareader = csv.reader(io.TextIOWrapper(webpage))
for row in datareader:
    code = row[0].replace('NZD', '').replace('=X', '')
    exchangeRates.append({'code': code, 'rate': row[1]})

auth = tweepy.OAuthHandler('#', '#')
auth.set_access_token('#', '#')

api = tweepy.API(auth)

date = datetime.datetime.now(pytz.timezone('NZ')).strftime('%b %d')
time = datetime.datetime.now(pytz.timezone('NZ')).strftime('%H:%M')

tweet = '\U0001F5D3 %s %s NZT \n' % (time, date)

for exchangeRate in exchangeRates:
    if exchangeRate['code'] == 'AUD':
        tweet += '\U0001F1E6\U0001F1FA %s: $%0.2f \n' % (exchangeRate['code'], float(exchangeRate['rate']))
    if exchangeRate['code'] == 'USD':
        tweet += '\U0001F1FA\U0001F1F8 %s: $%0.2f \n' % (exchangeRate['code'], float(exchangeRate['rate']))
    if exchangeRate['code'] == 'CAD':
        tweet += '\U0001F1E8\U0001F1E6 %s: $%0.2f \n' % (exchangeRate['code'], float(exchangeRate['rate']))
    if exchangeRate['code'] == 'JPY':
        tweet += '\U0001F1EF\U0001F1F5 %s: ¥%0.2f \n' % (exchangeRate['code'], float(exchangeRate['rate']))
    if exchangeRate['code'] == 'CNY':
        tweet += '\U0001F1E8\U0001F1F3 %s: ¥%0.2f \n' % (exchangeRate['code'], float(exchangeRate['rate']))
    if exchangeRate['code'] == 'EUR':
        tweet += '\U0001F1EA\U0001F1FA %s: €%0.2f \n' % (exchangeRate['code'], float(exchangeRate['rate']))
    if exchangeRate['code'] == 'GBP':
        tweet += '\U0001F1EC\U0001F1E7 %s: £%0.2f \n' % (exchangeRate['code'], float(exchangeRate['rate']))

api.update_status(tweet)