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 =={{header|J}}==
-<lang J>select=: ({::~ 'choose a number 0..' 0&".@prompt@, ': ',~ ":@<:@# [ i.@# smoutput@,&":&> ' '&,&.>) :: (select@([ smoutput bind 'please choose a valid number'))</lang>
+<lang J>select=: ({::~ 'choose a number 0..' _&".@prompt@, ': ',~ ":@<:@# [ i.@# smoutput@,&":&> ' '&,&.>) :: (select@([ smoutput bind 'please choose a valid number'))</lang>
 Example use: