diff --git a/korostelev/README.md b/korostelev/README.md
new file mode 100644
index 0000000..f4c5163
--- /dev/null
+++ b/korostelev/README.md
@@ -0,0 +1 @@
+Hello, git!!
diff --git a/main.py b/main.py
new file mode 100644
index 0000000..3bddbbe
--- /dev/null
+++ b/main.py
@@ -0,0 +1,2 @@
+def hello():
+    return "Hello, CI/CD!"
diff --git a/test_main.py b/test_main.py
new file mode 100644
index 0000000..c49be78
--- /dev/null
+++ b/test_main.py
@@ -0,0 +1,4 @@
+from main import hello
+
+def test_hello():
+    assert hello() == "Hello, CI/CD!"