parameters: (src)
return_statement: return node.value
docstring: Returns the AST of given identifier.
  
    Args:
      src: A piece of code that represents a single Python expression
    Returns:
      A gast.AST object.
    Raises:
      ValueError: if src does not consist of a single Expression.
docstring_summary: Returns the AST of given identifier.
docstring_tokens: Returns the AST of given identifier .
function: def parse_expression(src):
    """Returns the AST of given identifier.
  
    Args:
      src: A piece of code that represents a single Python expression
    Returns:
      A gast.AST object.
    Raises:
      ValueError: if src does not consist of a single Expression.
    """
    src = STANDARD_PREAMBLE + src.strip()
    node = parse_str(src, preamble_len=STANDARD_PREAMBLE_LEN, single_node=True)
    if __debug__:
      if not isinstance(node, gast.Expr):
        raise ValueError(
            'expected a single expression, found instead {}'.format(node))
    return node.value
function_tokens: def parse_expression ( src ) : src = STANDARD_PREAMBLE + src . strip ( ) node = parse_str ( src , preamble_len = STANDARD_PREAMBLE_LEN , single_node = True ) if __debug__ : if not isinstance ( node , gast . Expr ) : raise ValueError ( 'expected a single expression, found instead {}' . format ( node ) ) return node . value