Mike P wrote:
Hi All,
I have two dictionaries e.g
dict1 = {123:3,234:5,456:3}
dict2 = {123:4,157:2,234:5,456:3,567:2}
I want to merge these two dictionaries together so i have a resultant
dictionary of:
dict3 = {123:[4,3],157:[2,0],234:[5,5],456:[3,3],567:[2,0]}
As later on i want to write a
Thanks Raymond,
That's a neat trick, i'll look into learning more about this
Mike
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Thanks Diez,
This is almost perfect!
Is there a way to ensure each list has two elements, even if one of
them is blank?
Mike
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On Sep 2, 8:04 am, Mike P <[EMAIL PROTECTED]> wrote:
> Hi All,
>
> I have two dictionaries e.g
> dict1 = {123:3,234:5,456:3}
> dict2 = {123:4,157:2,234:5,456:3,567:2}
>
> I want to merge these two dictionaries together so i have a resultant
> dictionary of:
>
> dict3 = {123:[4,3],157:[2,0],234:[5,5
Mike P schrieb:
Hi All,
I have two dictionaries e.g
dict1 = {123:3,234:5,456:3}
dict2 = {123:4,157:2,234:5,456:3,567:2}
I want to merge these two dictionaries together so i have a resultant
dictionary of:
dict3 = {123:[4,3],157:[2,0],234:[5,5],456:[3,3],567:[2,0]}
As later on i want to write
In article <[EMAIL PROTECTED]>,
Steven D'Aprano <[EMAIL PROTECTED]> wrote:
>
>What do other people find? Do you find use for dict.update()? What other
>idioms do you use for combining dictionaries?
My company's code relies heavily on d.update() -- it's extremely handy in
the context of a web for
>> def create_request(url, headers):
>> headers.update(DEFAULT_HEADERS)
>> req = urllib2.Request(url, None, headers)
>> # ...
>> return req
>>
>> but of course this second example does the Wrong Thing, replacing
>> explicit headers with default values.
>
> There's a second code s
Steven D'Aprano <[EMAIL PROTECTED]> wrote:
> dict1.update(dict2) is of course equivalent to this code:
>
> for key, value in dict2.iteritems():
> dict1[key] = value
>
> Note that it replaces values in dict1 with the value taken from dict2. I
> don't know about other people, but I more often
