[Tutor] Iterate through dictionary values and remove item

[Ricardo Araoz]

Kent Johnson wrote:
> On Thu, May 15, 2008 at 12:58 PM, GTXY20 <gtxy20 at gmail.com> wrote:
>> I suspect that I need
>> to get a better handle on the difference between items() and iteritems() and
>> what situations would call for them respectively.
> 
> items() returns a list, iteritems() returns an iterator. If you don't
> actually need an explicit list, iteritems() saves the cost of creating
> it.
> 
>> Having said that, Kent I am not 100 percent sure of what you menat when you
>> mention a two-level dict. Can you give me a very brief example?
> 
> Your dict d would look like this:
> d={
>     1: {23A:[a,b,c,d],  24A:[b,c,d]},
>     2: {23A:[a,b], 24A:[a,b,c,d]}
>   }
> 

Lads...

 >>> d={
...     1: {23A:[a,b,c,d],  24A:[b,c,d]},
...     2: {23A:[a,b], 24A:[a,b,c,d]}
...   }
   File "<input>", line 2
     1: {23A:[a,b,c,d],  24A:[b,c,d]},
           ^
SyntaxError: invalid syntax
 >>>

Let's get a proper syntax for our data before attempting to process it.