The following question is more along the lines of "good practice" rather
than "how do you do it" .
If I have a name:value list of values that I want to read into a dict for
ease of lookup, lets define them as:
name | value
==========
ItemOne : 10
ItemOne : 10
ItemOne : 10
ItemOne : 10
ItemTwo : 20
ItemTwo : 20
ItemTwo : 20
ItemTwo : 20
ItemThree : 30
ItemThree : 30
ItemThree : 30
ItemThree : 30
Now, obviously there are duplicates in that list. If I use a simple
loop such as the following:
for each_name in list:
item[name] = value
Then I will get a dict with three pairs in it:
ItemOne : 10
ItemTwo : 20
ItemThree : 30
Which is what I want.
Now, MY question is, is there any harm in creating the dict that way and
looping through all those values multiple times and re-defining the values
constantly (to the same thing). OR, should I put a check in there such as:
if name not in item:
# add name and its pair value to dict
In my case I HAVE added checking in but I was wondering if it was really
needed. Given no matter what, in either case, the resulting dict would be
the same.
Regards,
David
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