set list [list {Washington 1789} {Adams 1797} {Jefferson 1801} {Madison 1809} {Monroe 1817} {Adams 1825} ]
set x [lsearch $list Washington*]
set y [lsearch $list Madison*]
incr x
incr y -1 ;# Set range to be not-inclusive
set subsetlist [lrange $list $x $y]
puts "The following presidents served between Washington and Madison"
foreach item $subsetlist {
puts "Starting in [lindex $item 1]: President [lindex $item 0] "
}
set x [lsearch $list Madison*]
set srtlist [lsort $list]
set y [lsearch $srtlist Madison*]
puts "\n$x Presidents came before Madison chronologically"
puts "$y Presidents came before Madison alphabetically"