Practical Data Wrangling

Summary

This chapter was a basic overview of the steps involved in programmatically processing data files. To recap, I first introduced file I/O and demonstrated how the Python programming language interacts with the computer's filesystem. Then, I showed how a Python file object is used with the json module to read and parse a JSON files. Following this, I walked through a basic demonstration to show how you might go about exploring the contents of a data file. Once all of this was covered, I showed how to conduct some basic data modification steps. Finally, I showed how to write data to an output file.

A particular emphasis in this chapter was placed on the process of opening, parsing data and writing the result to the output. Using some ...