[Tutor] Adding key, value to Dictionary

[Emile van Sebille]

David wrote:
> greg whittier wrote:
>> On Fri, Mar 27, 2009 at 1:31 PM, David <david at abbottdavid.com> wrote:
>>> But I can not get this to update after the first time it is ran.
>>>
>>> def get_todo():

Other common ways this is done include:

def get_todo(todo={}):
     ...

This works well if one copy is to be used the entire time the 
application is live, although it's also often cited as a gotcha...


and

def get_todo(todo=None):
     if todo==None:
         todo = {}
     ...

Both the above allow you to pass in a starting todo dict, so you could 
juggle multiple todo dicts...

HTH,

Emile