Financial analysis depends of the following libraries

pip install quandl numpy pandas matplotlib

Preferably in a virtual environment.

Quandl

To use the quandl API you have to log in the free service Open your browser and enter https://www.quandl.com in the address bar. Sign up and get an account. Check your API key. In account settings. Verify your email.

import quandl
# Use your key
QUANDL_API_KEY = 'BCzkk3NDWt7H9yjzx-DY' 
quandl.ApiConfig.api_key = QUANDL_API_KEY
df = quandl.get('EURONEXT/ABN')