改进版通讯录

调用了 cPickle 模块，更可靠了。

import os
import cPickle 
#主函数

while(1):#一直运行
    people_file='E:\\test.txt'
    people={}
    first=raw_input('Enter 1 for input name,Enter 2 for find name,Enter 3 for delect name:')
    if(first=='1'):#add
        name_add=raw_input("Enter name you want to add:")
        kind_add=raw_input("Enter kind you want to add:")
        number_add=raw_input("Enter number you want to add:")
        E_mail_add=raw_input("Enter E_mail you want to add:")      
        f=file(people_file,'r')#
        people=cPickle.load(f)
        people[name_add]=kind_add,number_add,E_mail_add #再写入字典
        f.close()
        f=file(people_file,'w')#
        cPickle.dump(people,f)#用cpickle函数将people存入f
        f.close()
        # for (key,value) in people.items():
        #     f.write('%s:%s\n'%(key,value))#将字典写入txt
        # f.close()
           
    elif(first=='2'):#find
        find_name=raw_input("Enter name you want to find:")
        flag=0
        f=open(people_file,'r')#以只读模式打开文件
        # lines=dict(line.strip().split(':') for line in f if line)#将文件内容转换为字典模式,怎么个流程暂时不懂
        lines=cPickle.load(f)
        for (key,value) in lines.items():
            print '%s,%s'%(key,value)
            if(key==find_name):
                    print lines[find_name]
                    f.close()
                    flag=1
                    break
        if(flag==0):
            print 'can not find this people'

            
    elif(first=='3'):#delect  先读出，再删除，再重写
        del_name=raw_input("Enter name you want to delect:")

        f=open(people_file,'r')#以只读模式打开文件
        # lines=dict(line.strip().split(':') for line in f if line)#将文件内容转换为字典模式,怎么个流程暂时不懂
        lines=cPickle.load(f)
        f.close()#关闭文件
        for (key,value) in lines.items():
            if(key==del_name):                
                del lines[del_name]
                print 'delect:',del_name
        f=open(people_file,'w')#以覆盖模式打开文件
        for (key,value) in lines.items():
            f.write('%s:%s\n'%(key,value))#将字典写入txt
            print '%s:%s'%(key,value)
        f.close()

     
    
    



#联系人信息删除函数