public async Task <IEnumerable <User> > GetLondonUsers()
{
///appears api call data is false coordinates seem to be anywhere but London
///setting radius returns correct London coordinates.
///however task is to "returns people who are listed as either living in London" so this may not mean accurate data in terms of coordinates, just data marked as London.
///so this returns the data behind URL listed as "London/users"
return(await HtmlReader.readUser(LondonUsers));
///return await GetUsersInRadiusOfLondon.GetRadius(x, AllUsers); //- where x is acceptable mile radius outside of center of London for acceptable coordinate accuracy
}