第一個 Python 程式 - Email Manager Demo

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看了一些基礎的 Python 新手教程後，深深感覺到 Python 的簡潔與強大，這是我的第一個 Python Demo。下面是完整代碼與執行。代碼：

# encoding: utf-8‘‘‘@author: Techzero@email: [email protected]@time: 2014-4-30 下午1:31:04‘‘‘import osimport sysimport cPickle as pclass Person:    def __init__(self, name, email):        ‘‘‘Initializes the person‘s data.‘‘‘        self.name = name        self.email = emaildef create():    """Create new person and input email"""    global Persons    try:        name = raw_input("Please input name:")        while Persons.has_key(name):            name = raw_input("This name has already exist, please input new name:")        email = raw_input("Please input Email:")    except EOFError:        print ‘\nEOF Error‘        sys.exit()    Persons[name] = email    print ""def delete():    """Search person by name and delete"""    global Persons    try:        name = raw_input("Please input the person‘s name you want to delete:")    except EOFError:        print ‘\nEOF Error‘        sys.exit()    if Persons.has_key(name):        del Persons[name]        save()    else:        print "No one called",name,"!\n"def modify():    """Search person by name and modify email"""    global Persons    try:        name = raw_input("Please input the person‘s name you want to modify:")        if Persons.has_key(name):            del Persons[name]            email = raw_input("Please input new email:")            Persons[name] = email            save()        else:            print "No one called",name,"!\n"    except EOFError:        print ‘\nEOF Error‘        sys.exit()def save():    """Save Persons to file"""    global Persons    File = ‘person.dat‘    f = file(File, ‘w‘)    p.dump(Persons, f)    f.close()    print "Operation Done!\n"def read():    """Read person from file"""    global Persons    File = ‘person.dat‘    if os.path.exists(File):        f = file(File)        Persons = p.load(f)        f.close()    else:        File = ‘person.dat‘        f = file(File, ‘w‘)        f.close()def display():    """Display all persons in the dictionary"""    global Persons    for name, email in Persons.items():        print "        ",name,email    print ""def search():    """Search person by name"""    global Persons    try:        name = raw_input("Please input the person‘s name you want to search:")    except EOFError:        print ‘\nEOF Error‘        sys.exit()    if Persons.has_key(name):        print "        ",name,Persons[name],"\n"    else:        print "No one called",name,"!\n"def menu():    """Display a menu to choose operation"""    choose = "0"    while True:        #i = os.system("cls")        print‘‘‘1----Create2----Delete3----Modify4----Search5----Display6----Exit‘‘‘        try:            choose = raw_input("Please choose an item(1-6):")        except EOFError:            print ‘\nEOF Error‘            sys.exit()        if choose == "1":            create()        elif choose == "2":            delete()        elif choose == "3":            modify()        elif choose == "4":            search()        elif choose == "5":            display()        elif choose == "6":            print "Thanks for using!"            sys.exit()        else:            print ""Persons = {}read()menu()

執行

本文固定連結：http://www.itechzero.com/coding/python/python-development-with-eclipse-pydev-install-tutorial/，轉載請註明出處。