10 for i=0 to 10 20 print i 30 if i=5 then exit for 40 next 50 for i=0 to 0 60 print i 70 next I 80 for i=1 to 0 step -1 90 print i 100 next 110 for i=1 to 0 120 print i 130 next 140 for i$="" to "aaaaaaaaaa" step "a" 150 print i$ 160 next