def empty_list(lineno=None, col=None):
 return ast.List(elts=[], ctx=ast.Load(), lineno=lineno, col_offset=col)

def empty_list ( lineno = None , col = None ) : return ast . List ( elts = [ ] , ctx = ast . Load ( ) , lineno = lineno , col_offset = col )
creates the ast node for an empty list .