you are expected to understand it and write it in your own words (if we are asking you for an algorithm or a proof, you cannot copy it)
You can add location information to your Tweets, such as your city or precise location, from the web and via third-party applications. You always have the option to delete your Tweet location history. Learn more
you are expected to understand it and write it in your own words (if we are asking you for an algorithm or a proof, you cannot copy it)