weixin_37008013的博客

最近练手一个项目时，发现python中字典修改后再引用该字典会报： dictionary changed size during iteration 的错误 如下： def show_dic(site): for key, value in site.items(): if key == 'name': site.pop(key) if __nam...

最近在做一个案子时， 发现字典中删除一些键值对后再引用该字典会引起错误。 具体如下： def show_dic(site): for key, value in site.items(): if key == ‘name’: site.pop(key) if name == ‘main’: web_site= {‘name’: ‘Address’, ‘alexa’: 54316, ‘url’:‘h...

#!/usr/bin/env python3 # -*- coding: utf-8 -*- """ Created on Tue Jul 2 14:18:04 2019 @author: manson """ # !/usr/bin/env python3 # -*- coding: utf-8 -*- """ Created on Thu May 30 08:10:35 2019 @a...

“”" Created on Tue Jul 2 14:18:04 2019 @author: manson “”" import time class Quantity: def init(self, detail_list): self.component = detail_list[6] self.vendor = detail_list[0] self.config = detail_l...