<SYSTEM_TASK:>
Solve the following problem using Python, implementing the functions described below, one line at a time
<END_TASK>
<USER_TASK:>
Description:
 def visit_with(self, node):
 # 'with' without 'as' is possible """return an astroid.With node as string"""

        items = ", ".join(
            ("%s" % expr.accept(self)) + (vars and " as %s" % (vars.accept(self)) or "")
            for expr, vars in node.items
        )
        return "with %s:\n%s" % (items, self._stmt_list(node.body))