class_docstr: BBox container
class_docstr_tok: ["BBox","container"]
code: def lng(self):
      return mean([self.west, self.east])
  
imports: import re
  import geocoder
  from six import string_types
label_desc: Use image node_id 4 for calling the BBox obj's underlying member method code with example usage: obj.lng() and returns: mean