code_lesson_10.py

import urllib.request

def getData(ticker):
    url = "http://chart.finance.yahoo.com/table.csv?s={}&a=1&b=12&c=2017&d=2&e=12&f=2017&g=d&ignore=.csv".format(ticker)
    data = urllib.request.urlopen(url)
    doc = open("yahoo_finance_{}.csv".format(ticker), 'w')
    doc.write(data.read().decode("utf8"))
    doc.close()


tickers = ["AAPL", "IBM", "SAM"]
for ticker in tickers:
    getData(ticker)