diff --git a/greeting.py b/greeting.py
new file mode 100644
index 0000000..13fd120
--- /dev/null
+++ b/greeting.py
@@ -0,0 +1,14 @@
+def greet(name: str) -> str:
+    """Return a greeting for the given name.
+
+    Args:
+        name: The name to greet.
+
+    Returns:
+        A string in the format 'Hello, {name}!'.
+    """
+    return f"Hello, {name}!"
+
+
+if __name__ == "__main__":
+    print(greet("World"))