some progress

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))