[Tutor] Tutor Digest, Vol 104, Issue 24

[Aceway]

your last for iterater maybe should like this：
for key，values in messages：
    if max is None or values>max:
        sender=key
        max=values




在 2012-10-5，1:13，tutor-request at python.org 写道：

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>   1. Hello Can someone looked at my problem? stuck (Palice Fan)
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> Message: 1
> Date: Tue, 2 Oct 2012 23:39:00 -0400
> From: Palice Fan <magicwizardstar at gmail.com>
> To: tutor at python.org
> Subject: [Tutor] Hello Can someone looked at my problem? stuck
> Message-ID:
>    <CAEqgQa4Aup6t+f237cfvkjkf54XRv2=PyMUXJqgzzka8gmet7Q at mail.gmail.com>
> Content-Type: text/plain; charset="windows-1252"
> 
> Hello
> i got stuck with the last bit of my programming practice.
> Can somebody help me?
> Write a program to read through a mail log, and figure out who had the most
> messages in the file. The program looks for ?From? lines and takes the
> second parameter on
> those lines as the person who sent the mail.
> The program creates a Python dictionary that maps the sender?s address to
> the total number of
> messages for that person.
> After all the data has been read the program looks through the dictionary
> using a maximum loop
> (see Section 5.7.2) to find who has the most messages and how many messages
> the person has.
> 
> Enter a file name: mbox-short.txt
> cwen at iupui.edu :5
> Enter a file name: mbox.txt
> zqian at umich.edu :195
> 
> Instead of printing off a number beside the email, i got another email and
> i dont know how to fix it.
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