some progress

test/ruby/08.out

@@ -1 +1 @@
-print(x, y)
+print(x, y, "\n")

test/ruby/11.out

@@ -1,3 +1,3 @@
 for i in items
-  print(i)
+  print(i, "\n")
 end

test/ruby/23.out

@@ -0,0 +1,23 @@
+def factorial(n)
+  """Calculate factorial recursively"""
+  if n <= 1
+    return 1
+  else
+    return n * factorial(n - 1)
+  end
+end
+def is_prime(num)
+  if num < 2
+    return false
+  end
+  for i in 2...Integer(num ** 0.5) + 1
+    if num % i == 0
+      return false
+    end
+  end
+  return true
+end
+print("Factorial of 5: #{factorial(5)}", "\n")
+for n in [2, 3, 4, 17, 21]
+  print("#{n} is prime: #{is_prime(n)}", "\n")
+end

test/ruby/24.in

@@ -0,0 +1,20 @@
+def calculate_bmi(weight, height):
+    bmi = weight / (height ** 2)
+    
+    if bmi < 18.5:
+        category = "Underweight"
+    else:
+        if bmi < 25:
+            category = "Normal"
+        else:
+            if bmi < 30:
+                category = "Overweight"
+            else:
+                category = "Obese"
+
+    return f"BMI: {bmi}, Category: {category}"
+
+# Test
+print(calculate_bmi(70, 1.75))
+print(calculate_bmi(90, 1.80))
+print(calculate_bmi(50, 1.65))

test/ruby/24.out

@@ -0,0 +1,20 @@
+def calculate_bmi(weight, height)
+  bmi = weight / height ** 2
+  if bmi < 18.5
+    category = "Underweight"
+  else
+    if bmi < 25
+      category = "Normal"
+    else
+      if bmi < 30
+        category = "Overweight"
+      else
+        category = "Obese"
+      end
+    end
+  end
+  return "BMI: #{bmi}, Category: #{category}"
+end
+print(calculate_bmi(70, 1.75), "\n")
+print(calculate_bmi(90, 1.80), "\n")
+print(calculate_bmi(50, 1.65), "\n")