diff --git a/app/smiles.py b/app/smiles.py
new file mode 100644
index 00000000..36b84deb
--- /dev/null
+++ b/app/smiles.py
@@ -0,0 +1,3 @@
+class Smiles:
+    def smile():
+        return ":)"
diff --git a/app/test_smiles.py b/app/test_smiles.py
new file mode 100644
index 00000000..98aa1ef5
--- /dev/null
+++ b/app/test_smiles.py
@@ -0,0 +1,5 @@
+from .smiles import Smiles
+
+
+def test_smile():
+    assert Smiles.smile() == ":)"