标签：python
[root@tieba delete]# vim /tmp/content.txt //添加一些内容
{
‘北京‘:{
‘海淀区‘:{
‘三环‘:{},
‘四环‘:{}
},
‘朝阳区‘:{
‘三环‘:{},
‘四环‘:{}
}
}
}
脚本内容
/* ---示例代码----*/#!/usr/bin/env python# -*- coding:utf-8 -*-CONTENT = ‘/tmp/content.txt‘with open(CONTENT) as fd: menu = eval(fd.read().strip())current_layer = menuparent_layers = []exit_flag = Falsewhile not exit_flag: for key in current_layer: print key choice = raw_input(">>>") if choice in current_layer: parent_layers.append(current_layer) current_layer = current_layer[choice] elif choice == ‘b‘: if parent_layers: current_layer = parent_layers.pop() else: print "最上层了" elif choice == ‘a‘: add = raw_input("增加>>>") current_layer[add] = ‘‘ print "add %s Succeed" % add elif choice == ‘c‘: change = raw_input("修改>>>") add = raw_input("填写>>>") current_layer.pop(change) current_layer[add] = ‘‘ print "%s修改为%s" % (change,add) elif choice == ‘d‘: delete = raw_input("删除>>>") if delete in current_layer: current_layer.pop(delete) print "delete %s Succeed" % delete else: print "Not found %s" % delete elif choice == ‘q‘: with open(CONTENT,‘w‘) as fd: fd.write(str(menu)) exit_flag = True else: print "无此项"/* ---示例代码----*/可以添加城市,修改城市，删除等功能
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标签：python
原文地址：http://xiaocuik.blog.51cto.com/12090846/1973033
