-- ternary operator and the 'and' and 'or' quirky return:
print(false and 1 or 2) --2
print(true and 1 or 2) --1
print(false and 1) --false determined the result
print(true and 1) --1 determined the result
print(1 or 2) --1 determined the result
print(false or 2) --2 determined the result
print(false or nil) --nil determined the result

--tables
local tab1 = {1; 2; 3; 4; 5; 6}
local tab2 = {6, 5, 4, 3, 2, 1}
for i=1, #tab1 do print(tab1[i]) end
for i=1, #tab2 do print(tab2[i]) end