diff --git a/.hash b/.hash
index ccac771..c9c9ebe 100644
--- a/.hash
+++ b/.hash
@@ -7,6 +7,6 @@ fundamentals-of-ai-and-kr/module2,9622aab
 fundamentals-of-ai-and-kr/module3,f38189a
 image-processing-and-computer-vision/module1,b84791f
 languages-and-algorithms-for-ai/module2,6a33527
-languages-and-algorithms-for-ai/module3,b06f5ec
+languages-and-algorithms-for-ai/module3,31aa896
 machine-learning-and-data-mining,1677e27
 statistical-and-mathematical-methods-for-ai,1677e27
diff --git a/languages-and-algorithms-for-ai/module3/laai3.pdf b/languages-and-algorithms-for-ai/module3/laai3.pdf
index 7b773ea..3db1a2d 100644
Binary files a/languages-and-algorithms-for-ai/module3/laai3.pdf and b/languages-and-algorithms-for-ai/module3/laai3.pdf differ