def addToWatchlist(self, ticker):
s = Stock(ticker)
if (s.exists()):
self.watchlist.append(s)
else:
print("This stock does not exist")
def buyStock(self, ticker, quanity):
s = Stock(ticker)
if (s.exists()):
if self.cash - quanity * float(s.getPrice()) >= 0:
self.cash -= quanity * float(s.getPrice())
if ticker in self.stocks:
self.stocks[ticker] += quanity
else:
self.stocks[ticker] = quanity
else:
print("You have insufficent funds for this trade")
