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Solve the following problem using Python, implementing the functions described below, one line at a time
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Description:
 def visit_call(self, node):
 """return an astroid.Call node as string"""

        expr_str = self._precedence_parens(node, node.func)
        args = [arg.accept(self) for arg in node.args]
        if node.keywords:
            keywords = [kwarg.accept(self) for kwarg in node.keywords]
        else:
            keywords = []

        args.extend(keywords)
        return "%s(%s)" % (expr_str, ", ".join(args))