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Re: Help about dictionary append

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  Re: Help about dictionary append Chris Angelico <rosuav@gmail.com> - 2012-02-06 02:20 +1100

#19869 — Re: Help about dictionary append

On Mon, Feb 6, 2012 at 2:13 AM, Anatoli Hristov <tolidtm@gmail.com> wrote:
> Hi there,
>
> I`m again confused and its the dictionary. As dictionary does not support
> append I create a variable list with dictionary key values and want to add
> new values to it and then copy it again to the dictionary as I dont know
> other methods.

A dictionary maps a key to exactly one value. If you want multiples,
you do pretty much what you've done here...

> mydict =
> {'Name':('Name1','Name2','Name3'),'Tel':('023333','037777','049999')}
>...
> and I get and error that TUPLE object has no attribute Append !!!
>
> But how to add new Values to a dictionary then ?

... but instead of using parentheses and creating a Tuple, use square
brackets and create a List:

mydict = {'Name':['Name1','Name2','Name3'],'Tel':['023333','037777','049999']}

Then you can append to it, and it will work just fine!

Chris Angelico

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