parameters: (cls)
return_statement: return cls.__name__.lower()
docstring: product_name() -> str
  
          The identifier-style name to use for this product.
docstring_summary: product_name() -> str
docstring_tokens: product_name () - > str
function: def product_name(cls):
          """product_name() -> str
  
          The identifier-style name to use for this product.
          """
          return cls.__name__.lower()
function_tokens: def product_name ( cls ) : return cls . __name__ . lower ( )