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(
#comment
(let mr_source (DataSource 'yt 'plato))
(let x (Read! world mr_source (Key '('table (String 'Input))) '('key 'subkey 'value) '()))
(let world (Left! x))
(let table1 (Right! x))
(let table1map (FlatMap table1 (lambda '(item) (block '(
(let value (Member item 'value))
(let newValue (AsList value))
(let newValue (Prepend (String 'p) newValue))
(let newValue (Append newValue (String 'a)))
(let smallList (AsList (Int32 '2)))
(let zippedList (ZipAll newValue smallList))
(let ret (Map zippedList (lambda '(item2) (block '(
(let s (Struct))
(let s (AddMember s 'key (Member item 'key)))
(let s (AddMember s 'subkey (String '.)))
(let x (Coalesce (Nth item2 '0) (String '_)))
(let y (Coalesce (Map (Nth item2 '1) (lambda '(x) (ToString x))) (String '_)))
(let s (AddMember s 'value (Concat (Concat x (String '" => ")) y)))
(return s))))))
(return ret)
)))))
(let mr_sink (DataSink 'yt (quote plato)))
(let world (Write! world mr_sink (Key '('table (String 'Output))) table1map '('('mode 'append))))
(let world (Commit! world mr_sink))
(return world)
)
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