Earth Distances
To describe a specific position on the surface of the Earth, we must rely on the geographic coordinate system. The geographic coordinate system is a method used to give every possible location on Earth to be specified by a set of numbers or letters. A common choice of coordinates is latitude and longitude. With this information we can calculate a distance between two points along a surface.
For simplicity’s sake, we will suppose that the Earth is a perfect sphere with a radius of 6,371 kilometers (it gives a mistake no more than 0.3%). You are given two point coordinates and you must find the shortest distance between these points on the surface of the Earth, measured along the surface of the Earth.
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CheckiO Extensions allow you to use local files to solve missions. More info in a blog post.
In order to install CheckiO client you'll need installed Python (version at least 3.8)
Install CheckiO Client first:
pip3 install checkio_client
Configure your tool
checkio --domain=py config --key=
Sync solutions into your local folder
checkio sync
(in beta testing) Launch local server so your browser can use it and sync solution between local file end extension on the fly. (doesn't work for safari)
checkio serv -d
Alternatevly, you can install Chrome extension or FF addon
checkio install-plugin
checkio install-plugin --ff
checkio install-plugin --chromium
Read more here about other functionality that the checkio client provides. Feel free to submit an issue in case of any difficulties.
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