diff --git a/abc.py b/abc.py
index a51329e..a074624 100644
--- a/abc.py
+++ b/abc.py
@@ -1,2 +1,5 @@
 def calculate_total(price, tax_rate):
-    return price * (1 + tax_rate / 100)
\ No newline at end of file
+    return price * (1 + tax_rate / 100)
+
+if __name__ == "__main__":
+    print(calculate_total(1000, 20))
\ No newline at end of file