代码将使用针对给定t witter用户检索的纬度和经度创建Google Maps地图。
The code USES the latitude and longitude retrieved for a given Twitter user to create a Google Maps map.
与此同时，此地图还会在标记上呈现一个气球，显示给定球场的地名、地址、电话和Web站点。
At the same time, the map also renders a balloon above the marker that displays the name, address, phone number, and Web site of a given course.
给定一组地址，我们将查找它们的纬度和经度，然后使用plot - latlong把它们显示到世界地图中。
Given a set of addresses, we will look up their latitude and longitude, then use plot-latlong to display them on a world map. Consider the following list of addresses.
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