set tdc_x 43
set tdc_y 9
set tdc_n 0
while { $tdc_n < 9 } {
puts "Hello, World!";
#incr tdc_n
set tdc_n [expr $tdc_n+3];
}
# set i 0
# while { $tdc_n < 5 } {
# puts "Hello, World!"
# incr tdc_n
# }
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