{"url":"https://randommemory.hatenablog.com/entry/2021/04/05/014329","height":"190","description":"Python \u306e\u95a2\u6570\u30b3\u30fc\u30eb (2) - \u3089\u3093\u3060\u3080\u306a\u8a18\u61b6 \u306e\u7d9a\u304d\u3002 # -*- coding: utf-8 -*- import os def no_arg(): print(\"***** no_arg\") def one_arg1(arg=[]): arg.append(1) return arg def one_arg2(arg=None): arg = arg or [] arg.append(1) return arg if __name__ == \"__main__\": os.system(\"ls\") no_arg() one_arg1() print(\"***\") one_arg2(\u2026","version":"1.0","blog_title":"\u3089\u3093\u3060\u3080\u306a\u8a18\u61b6","image_url":null,"provider_name":"Hatena Blog","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Frandommemory.hatenablog.com%2Fentry%2F2021%2F04%2F05%2F014329\" title=\"Python \u306e\u95a2\u6570\u30b3\u30fc\u30eb (3) - \u3089\u3093\u3060\u3080\u306a\u8a18\u61b6\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","blog_url":"https://randommemory.hatenablog.com/","categories":["Python"],"published":"2021-04-05 01:43:29","width":"100%","author_name":"derwind","provider_url":"https://hatena.blog","title":"Python \u306e\u95a2\u6570\u30b3\u30fc\u30eb (3)","author_url":"https://blog.hatena.ne.jp/derwind/","type":"rich"}