조건문

---

if a > 0 then
  print("a > 0")
elseif a == 0 then
  print("a = 0")
else
  print("a < 0")
end

local i = 1
while a[i] do
  print(a[i])
  i = i + 1
end

local line
repeat
  line = io.read()
until line ~= ""
print(line)

for i = 1, 10, 2 do
  print(i)
end