dict turn to list at runtime unexpected!!!

[dieter]

telnetgmike at gmail.com writes:

> Why the following code gives me errors??? And why the print statement run 2 times? I'll be appreciated your helps, thanks,
> addrnum_dict = {'a':1,'b':2}
> def orderaddrtimes():
>     global addrnum_dict
>     print type(addrnum_dict)
>
>     addrnum_dict = sorted(addrnum_dict.iteritems(), key=lambda d:d[1], reverse = True)

"sorted" returns a list.