class_docstr: A single LookupTable instance.
  
  LookupTables offer a standardized interface, backed by the PersistenceDriver system in
  the background.
docstr: Retrieves the value of a key in the current LookupTable
  
  Args:
      key (str)
      default (mixed)
  
  Returns:
      mixed
docstr_tok: ["Retrieves","the","value","of","a","key","in","the","current","LookupTable","Args",":","key","(","str",")","default","(","mixed",")","Returns",":","mixed"]
code: def get(self, key, default=None):
      """
      Retrieves the value of a key in the current LookupTable
  
      Args:
          key (str)
          default (mixed)
  
      Returns:
          mixed
      """
      self._initialize_if_necessary()
      return self._driver.get(key, default)
  
file_path: streamalert/streamalert/shared/lookup_tables/table.py
imports: from streamalert.shared.logger import get_logger
label_desc: Use image node_id 5 for calling the LookupTable obj's underlying member method code with example usage: obj.get(key, default) and returns: self