diff --git a/demo1.py b/demo1.py
index 28051f3..58426d3 100644
--- a/demo1.py
+++ b/demo1.py
@@ -1,3 +1,6 @@
+def func1():
+    print("hello world1231231")
 
 if __name__ == '__main__':
-    print("hello world")
\ No newline at end of file
+    print("hello world")
+    func1()
\ No newline at end of file