Use f-strings

README.md

@@ -1,9 +1,9 @@
-`stockquotes` is a simple Python module for collecting stock/ETF and mutual fund (see #2) quotes and
+`stockquotes` is a simple Python module for collecting stock/ETF and mutual fund quotes and
 historical data from Yahoo! Finance. It's perfect for developers who can't
 afford the (often high) prices charged by many stock data APIs.
 
 # Requirements
-* Python 3.5+
+* Python 3.6+
 * Beautiful Soup 4
 
 # Installation

stockquotes/__init__.py

@@ -41,7 +41,7 @@ class Stock:
     def __init__(self, ticker):
         try:
             r = requests.get(
-                "https://finance.yahoo.com/quote/{}/history".format(ticker),
+                f"https://finance.yahoo.com/quote/{ticker}/history",
                 headers={
                     "User-Agent": "Mozilla/5.0 (X11; Linux x86_64; rv:92.0) Gecko/20100101 Firefox/92.0"
                 },