On 02/05/16 22:55, isaac tetteh wrote:
>
> For some reason i cant find reply all . But try this
> for key, value in mydic.items():
> If A==value:
> Print key
or as a function:
def findKey(dct, val):
for k,v in dct.items():
if v == val:
return k
mydic = {"A: "Apple", "B": "Banana"}
print( findKey(mydic,'Apple') ) # -> 'A'
The problem is that while keys are unique, values
might not be, so what do you do if multiple keys
share the same value?
You could use a comprehension:
def findKeys(dct,val):
keys = [k for k,v in dct.items() if v == val]
return keys
But if you are only interested in one of them then
it's down to you to figure out which!
--
Alan G
Author of the Learn to Program web site
http://www.alan-g.me.uk/
http://www.amazon.com/author/alan_gauld
Follow my photo-blog on Flickr at:
http://www.flickr.com/photos/alangauldphotos
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