legend-2

import matplotlib.pyplot as plt
import pandas as pd

file = '../stocks.csv'

stock = pd.read_csv(file, parse_dates=['Date'], index_col=['Date'])

plt.plot(stock.index, stock['AAPL'], color='red', label='Apple')
plt.plot(stock.index, stock['MSFT'], color='blue', label='Microsoft')
plt.xlabel('Date')
plt.ylabel('Stock price')
plt.title('Stock price in 2000')

plt.legend(loc='best')

plt.show()