diff --git a/app/hello.py b/app/hello.py
new file mode 100644
index 0000000..e5d657f
--- /dev/null
+++ b/app/hello.py
@@ -0,0 +1,13 @@
+def print_messages(prefix, count):
+    for i in range(1, count + 1):
+        suffix = "" if i == 1 else f" {i}"
+        try:
+            print(f"{prefix}{suffix}")
+        except IOError as e:
+            import sys
+            sys.stderr.write(f"Error writing to stdout: {e}\n")
+            break
+
+print_messages("Hello world", 3)
+
+print_messages("Test PR 2", 4)
\ No newline at end of file