Did I find the right examples for you? yes no      Crawl my project      Python Jobs

All Samples(3)  |  Call(3)  |  Derive(0)  |  Import(0)

src/m/a/Mathics-HEAD/mathics/builtin/lists.py   Mathics(Download)
            if list.is_atom():
                return
            if head is not None and list.get_head() != head:
                evaluation.message('Join', 'heads', head, list.get_head())
                return
            head = list.get_head()