diff --git a/.idea/examen2024.iml b/.idea/examen2024.iml
index d8b3f6c..ecb5148 100644
--- a/.idea/examen2024.iml
+++ b/.idea/examen2024.iml
@@ -1,7 +1,10 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <module type="PYTHON_MODULE" version="4">
   <component name="NewModuleRootManager">
-    <content url="file://$MODULE_DIR$" />
+    <content url="file://$MODULE_DIR$">
+      <sourceFolder url="file://$MODULE_DIR$/src" isTestSource="false" />
+      <sourceFolder url="file://$MODULE_DIR$/tests" isTestSource="true" />
+    </content>
     <orderEntry type="jdk" jdkName="Python 3.13" jdkType="Python SDK" />
     <orderEntry type="sourceFolder" forTests="false" />
   </component>
diff --git a/src/__init__.py b/src/__init__.py
new file mode 100644
index 0000000..e69de29
diff --git a/ex1_triangles.py b/src/ex1_triangles.py
similarity index 100%
rename from ex1_triangles.py
rename to src/ex1_triangles.py
diff --git a/tests/__init__.py b/tests/__init__.py
new file mode 100644
index 0000000..e69de29
diff --git a/test_ex1.py b/tests/test_ex1.py
similarity index 89%
rename from test_ex1.py
rename to tests/test_ex1.py
index 78e2d81..a3899c1 100644
--- a/test_ex1.py
+++ b/tests/test_ex1.py
@@ -1,6 +1,6 @@
 import unittest
 
-from ex1_triangles import countTriangles
+from src.ex1_triangles import countTriangles
 
 
 class MyTestCase(unittest.TestCase):