Groups | Search | Server Info | Keyboard shortcuts | Login | Register [http] [https] [nntp] [nntps]

Groups > comp.lang.python > #72042

Re: Loop thru the dictionary with tuples

Show key headers only | View raw

Ned Batchelder <ned@nedbatchelder.com> Wrote in message:
> On 5/25/14 8:55 AM, Igor Korot wrote:
>> Hi, ALL,
>> I have a following data structure:
>>
>> my_dict[(var1,var2,var3)] = None
>> my_dict[(var4,var5,var6)] = 'abc'
>>
>> What I'm trying to do is this:
>>
>> for (key,value) in my_dict:
>>      #Do some stuff
>>
>> but I'm getting an error "Too many values to unpack".
>>
>> What am I doing wrong?
>>
>> Thank you.
>>
> 
> You want:
> 
>      for key, value in my_dict.items():  # or .iteritems()
> 
> Iterating over a dictionary gives you its keys.  items() will give you 
> key,value pairs.


Or, if the dict is large,  you might want

for key in my_dict:
    value = my_dict [key]
    ...


-- 
DaveA

Back to comp.lang.python | Previous | Next | Find similar | Unroll thread

Thread

Re: Loop thru the dictionary with tuples Dave Angel <davea@davea.name> - 2014-05-25 22:09 -0400

csiph-web