javisantana/python_code_test_carto.md

## python_code_test_carto.md

      
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              python_code_test_carto.md
            
          
    Build the following and make it run as fast as you possibly can using Python 3 (vanilla). The faster it runs, the more you will impress us!
Your code should:

Download this 2.2GB file: https://s3.amazonaws.com/carto-1000x/data/yellow_tripdata_2016-01.csv
Count the lines in the file
Calculate the average value of the tip_amount field.

All of that in the most efficient way you can come up with.
So, we'd do:
$ time python script.py https://s3.amazonaws.com/carto-1000x/data/yellow_tripdata_2016-01.csv
AVG_VALUE
x.00s user x.00s system 81% cpu x.000 total
That's it. Make it fly!