diff --git a/src/rda_python_template/hello_world.py b/src/rda_python_template/hello_world.py
index 21d5d80..eb6b243 100644
--- a/src/rda_python_template/hello_world.py
+++ b/src/rda_python_template/hello_world.py
@@ -3,10 +3,11 @@
 #
 def main():
 
-   str = "Hello World!"
+   str = get_string('Hua')
    print(str)
-   return str
 
+   def get_string(name):
+      return name + ": Hello World!"
 #
 # call main() to start program
 #