diff --git a/.gitignore b/.gitignore
index 39ec4db4a6a3cf44ba99116786cfa98a74ae3d0d..205bc3d552dbde2d7d9602b58f473501ce6f5059 100644
--- a/.gitignore
+++ b/.gitignore
@@ -35,6 +35,7 @@ Thumbs.db
 __pycache__
 .mypy_cache
 *.SYMDEF*
+a.out
 
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