一个简单的python程序实例(通讯录)

核心代码：

代码如下:

#!/usr/bin/python
#Filename:friendbook.py
import cPickle as p
import sys
import time
import os

ab={'Xdex':'cneds@fnedf.com',
        'Laexly':'fev@fe.com',
        'Fukc':'fexok@ver.com',
        'Stifu':'stif@qq.com'
}

def Dumpfile(list):
        f=file(friendab,'w')
        p.dump(list,f)
        f.close()

if os.path.isfile('friendab.data'):
        friendab='friendab.data'
else:
        os.touch('friendab.data')
        Dumpfile(ab)
        del ab

f=file(friendab)
frilist=p.load(f)

class Person:
        def __init__(self,name):
                self.name=name
        def saysome(self):
                print 'The friend %s,his E-mail is %s '%(sname,frilist[sname])
class addPerson:
        def __init__(self,name,email):
                self.name=name
                self.email=email
        def addbook(self):
                ab=frilist
                ab[sname]=email
                Dumpfile(ab)
                del ab
                print 'Succlessful!'
class delPerson:
        def __init__(self,name):
                self.name=name
        def delbook(self):
                ab=frilist
                ab.pop(sname)
                Dumpfile(ab)
                del ab
                print 'Success DEL'

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class alterPerson:
        def __init__(self,name,email):
                self.name=name
                self.email=email
        def alterbook(self):
                ab=frilist
                ab[sname]=email
                Dumpfile(ab)
                del ab
                print 'Succlessful update!'

print '''\
This program prints files to the standard output.
Any number of files can be specified.
Options include:
[1] : Search your friend's email from friendsbook
[2] : add your friend's email to firendsbook
[3] : del your friend's email from firnedsbook
[4] : alter your friend's email from friendsbook
[5] : All friends list
[6] : exit the program
'''

num=raw_input('Press the number [1,2,3,4,5] -->')

if (num=='1'):
        sname=raw_input('Enter the name-->')
        if sname in  frilist:
                p=Person(sname)
                p.saysome()
        else:
                print 'Not in it'
elif (num=='2'):
        sname=raw_input('Enter the name-->')
        email=raw_input('Enter the email-->')
        pa=addPerson(sname,email)
        pa.addbook()
        #p=Person(sname)
        #p.saysome()
        print frilist
elif (num=='3'):
        sname=raw_input('Enter the name-->')
        pa=delPerson(sname)
        pa.delbook()
elif (num=='4'):
        sname=raw_input('Enter the name-->')
        if sname in  frilist:
                email=raw_input('Enter the email-->')
                p=alterPerson(sname,email)
                p.alterbook()
        else:
                print 'Not in it'
elif (num=='5'):
        print frilist
elif (num=='6'):
        print "Bye!"
else:
        print "Please input the right number"

注：这是本人写的第一个python，有诸多不足，以后改进