docs: def get_function_help(function: str, bel_spec: BELSpec):
      """Get function_help given function name
  
      This will get the function summary template (argument summary in signature)
      and the argument help listing.
      """
  
      function_long = bel_spec["functions"]["to_long"].get(function)
      function_help = []
  
      if function_long:
          for signature in bel_spec["functions"]["signatures"][function_long]["signatures"]:
              function_help.append(
                  {
                      "function_summary": signature["argument_summary"],
                      "argument_help": signature["argument_help_listing"],
                      "description": bel_spec["functions"]["info"][function_long]["description"],
                  }
              )
  
      return function_help