Update playground with more loop types and ternary

Author: fidgetingbits

data/playground/lua/lua.lua

@@ -17,24 +17,22 @@ local string = "Lua is awesome!"
 local table = {1, 2, 3}
 local nilValue = nil
 
--- Conditional statements
-if a > 10 then
-    print("a is greater than 10")
-elseif a < 10 then
-    print("a is less than 10")
+-- Conditional Constructs
+local x = 10
+local y = 20
+
+-- if-then-else
+if x < y then
+    print("x is less than y")
+elseif x > y then
+    print("x is greater than y")
 else
-    print("a is equal to 10")
+    print("x is equal to y")
 end
 
--- Loops
-for i = 1, 5 do
-    print(i)
-end
-
-while b == "Hello" do
-    print("Still saying hello!")
-    break
-end
+-- ternary conditional (short if-then-else)
+local max = x > y and x or y
+print("The maximum value is: " .. max)
 
 -- Functions
 function add(x, b)
@@ -93,3 +91,35 @@ end)
 if not success then
     print("Error:", result)
 end
+
+-- Loop Constructs
+-- while loop
+local i = 1
+i = 2
+while i <= 5 do
+    print("While loop iteration: " .. i)
+    i = i + 1
+end
+
+-- repeat-until loop
+i = 1
+repeat
+    print("Repeat-Until loop iteration: " .. i)
+    i = i + 1
+until i > 5
+
+-- for loop
+for j = 1, 5 do
+    print("For loop iteration: " .. j)
+end
+
+-- numeric for loop with step
+for k = 10, 1, -1 do
+    print("Numeric for loop with step: " .. k)
+end
+
+-- for-in loop (iterating over a table)
+local fruits = { "apple", "banana", "cherry" }
+for key, value in pairs(fruits) do
+    print("For-In loop: " .. key .. " = " .. value)
+end