Easy to get data from cnbc.com, it is free

It is a note for developer
Sometime, we need stock data to write strategy checking logic by python. Data from cnbc.com is good and it is free. How to get it?
There are 2 steps to do:
Step 1: install library python
pip install cnbcfinance
Step 2: Get history or get quote realtime
# Get history data
from cnbcfinance import get_history_df
data = get_history_df('AAPL', '30m')
# Get quote
from cnbcfinance import get_history_df
data = get_quota('AAPL')