### Related Topics
+ Basic python syntax
+ Basic file I/O
+ 1D list, dictionary handling
+ Sorting algorithm
+ Searching algorithm
## Introduction
In this homework, we have a json file with **40000** IPs along with its corresponding city (ofcourse it’s fake data generated by python module `mimesis`), and the task is to design aquery system to search city for specific IP (100 querys) within reasonable time constraint.
## Related Files
We provide the followings files:
+ query.csv
+ ip_data.json
and you should generate a answer file in csv format, refer to docstring for more detailinformation.
