Return `node`s representation as argument list.

def visit_arguments(self, node: AST, dfltChaining: bool = True) -> str:
        """Return `node`s representation as argument list."""
        args = node.args
        dflts = node.defaults
        vararg = node.vararg
        kwargs = node.kwonlyargs
        kwdflts = node.kw_defaults
        kwarg = node.kwarg
        self.compact = True
        n_args_without_dflt = len(args) - len(dflts)
        args_src = (arg.arg for arg in args[:n_args_without_dflt])
        dflts_src = (f"{arg.arg}={self.visit(dflt)}"
                     for arg, dflt in zip(args[n_args_without_dflt:], dflts))
        vararg_src = (f"*{vararg.arg}",) if vararg else ()
        kwargs_src = ((f"{kw.arg}={self.visit(dflt)}"
                       if dflt is not None else f"{kw.arg}")
                      for kw, dflt in zip(kwargs, kwdflts))
        kwarg_src = (f"**{kwarg.arg}",) if kwarg else ()
        src = ', '.join(chain(args_src, dflts_src, vararg_src,
                              kwargs_src, kwarg_src))
        self.compact = False
        return src