Installing the Blockchain.info Python library

The following are the steps to install the blockchain Python library:

1. Open the command-line program on your computer.
2. Run the pip install blockchain command to install the blockchain library.

The following screenshot shows the installation of bitcoin:

Getting bitcoin exchange rates from Blockchain.info

The following steps shows the method for bitcoin exchange rates:

1. First, import the exchangerates classes from the blockchain library:

#!/usr/bin/env python

# import blockchain library
from blockchain import exchangerates

2. Exchange rates define a get_ticker method, which returns the exchange rates data in a dictionary object. Call this method and save the resulting object. The ticker dictionary object that we have has currency symbols as keys:

# get the Bitcoin rates in various currencies
ticker = exchangerates.get_ticker()

3. By running over these keys, data about the various rates can be pulled. For example, the latest bitcoin rates can be obtained in each...