for (i in 0..10) print(i + ', ')
printl()

for (i in 10..0) print(i + ', ')
printl()

for (i in 0..0) print(i + ', ')
printl()

for (i in 0..=10) print(i + ', ')
printl()

for (i in 10..=0) print(i + ', ')
printl()

for (i in 0..=0) print(i + ', ')
printl()

for (i in 'Hallo') print(i + ', ')
printl()