def get_coordinates

    puts "Please enter your latitude, longitude:"

    coord_input = ""

    while coord_input == ""
        coord_input = gets.strip
    end

    coord_input = coord_input.gsub(" ", "")
    coords_array = coord_input.split(",")
    coords = "lat=#{coords_array[0]}&lon=#{coords_array[1]}"

    list_trails(coords)
end