4 puts [clock format [clock seconds]]
6 for {set j 0} {$j < 100} {incr j} {
14 for {set i 0} {$i < 100} {incr i} {
15 # .a create line $i 0 0 [expr 500 - $i] -fill $c
19 puts [clock format [clock seconds]]
21 for {set j 0} {$j < 100} {incr j} {
29 for {set i 0} {$i < 100} {incr i} {
30 .a create line $i 0 0 [expr 500 - $i] -fill $c
34 puts [clock format [clock seconds]]
38 canvas .a -height 500 -width 500
39 button .b -text draw -command drawlines