code: def merge_dicts(*ds):
      
      result = ds[0]
      for d in ds[1:]:
          result.update(d)
      return result
docs: Given any number of dicts, shallow copy and merge into a new dict,
      precedence goes to key value pairs in latter dicts.
  
      Notes
      -----
      http://stackoverflow.com/questions/38987/how-to-merge-two-python-dictionaries-in-a-single-expression