Version 2

Version after many changes by @A-Infor , but still not Object Oriented.

What's Changed

• Update README.md: adding a detailed description of the algorithm by @A-Infor in #2
• README.md: describing inputs and outputs by @A-Infor in #3
• main.py: fixing #1 (SettingWithCopyWarning) by @A-Infor in #4
• main.py: defining CONSTANTS by @A-Infor in #5
• main.py: defining a function (find_cities_coordinates) for "ATO 1" by @A-Infor in #6
• main.py: defining a function (find_nearest_city) for "ATO 3" by @A-Infor in #7
• main.py: defining a function (save_city_SPEI_on_xlsx) for "ATO 4" by @A-Infor in #8
• main.py: turning euclidean_distance into a lambda function by @A-Infor in #9
• main.py: convert_coordinates_to_negative: + docstring by @A-Infor in #10
• main.py: + method chaining by @A-Infor in #11
• main.py: DF_COORDS → DF_COORDS_MG by @A-Infor in #12
• main.py: + method chaining, fixing comment by @A-Infor in #14

Full Changelog: v1...v2

Version 1

Version 1 by @JVSREco19
(before contributions by A-Infor)