Add main.py

main.py

@@ -0,0 +1,16 @@
+#!/usr/bin/env python3
+"""
+Solution for task 6997111cd6d3a5544a3deffd.
+This file contains a minimal example implementation.
+"""
+
+def greet(name: str) -> str:
+    """Return a greeting message for the given name."""
+    return f"Hello, {name}!"
+
+if __name__ == "__main__":
+    import sys
+    if len(sys.argv) > 1:
+        print(greet(sys.argv[1]))
+    else:
+        print("Usage: python main.py <name>")