Consider the data provided in the streaming tutorial $($namely users.csv$)$ alongside orders data $($namely orders.csv$).$ Combine these $2$ input files in order to provide insights into the purchasing behaviours of the retailer$$s customers.

Expand your pipeline from the tutorial to do the following $($ensuring that you are using the data provided in the links above$)$:

$4\mathrm{.}1)$ Join the input files as streams using CoGroupByKey. $(1)$ python code