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Merging the list of lists

LakshmanQual over 7 years ago

Hi Team,

I had a list of lists with different lengths as llist=(("a" "b" "c") ("d" "e") ("f" "g" "h")("i" "j")).

I want to merge/flattern them as a list=("a" "b" "c" "d" "e" "f" "g" "h" "i" "j")

Is there any command to flattern the list of lists??

Parents

mbracht over 7 years ago

Hi,
You can use the mapcan function to achieve this:

(mapcan (lambda (el) (if (listp el) el (list el))) '(("a" "b" "c") ("d" "e") ("f" "g" "h")("i" "j")))

Max
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mbracht over 7 years ago

Hi,
You can use the mapcan function to achieve this:

(mapcan (lambda (el) (if (listp el) el (list el))) '(("a" "b" "c") ("d" "e") ("f" "g" "h")("i" "j")))

Max
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Andrew Beckett over 7 years ago in reply to mbracht

Same question has come up before - here's my earlier answer on this.

Andrew.
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LakshmanQual over 7 years ago in reply to Andrew Beckett

Hi Andrew, Max

Thanks for the reply. the codes are working fine.
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