Hi R users,

Suppose I have two lists and the names of list 'm' are a subset of those of
'n', how can I sum the two lists with corresponding elements added together
to get list 'o'?

> n = list("a"=1,"b"=3,"c"=5)
> m = list('b'=4)
> o
$a
[1] 1

$b
[1] 7

$c
[1] 5

Thanks

-- 
Best,
Zhenjiang

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