human
I wrote the below code

    def _get():
        if (not frappe.db):
            frappe.connect()
        return frappe.db.sql_list(u'select    name    from    tabLanguage')
    return frappe.cache().get_value(u'languages', _get)

What's a good function header?
 ... Here's a good function header?
assistant
#Here's a good function header.

def get_all_languages():