Update app.py (#2)

- Update app.py (bfeb7b71be693416dff67cc554593418d70a6852)


Co-authored-by: Yuhui Li <[email protected]>

app.py

@@ -223,6 +223,7 @@ def cosine_similarity(x, y):
     3. Return exponentiated cosine similarity
     (20 pts)
     """
+    # 111
     cosine_sim = np.dot(x, y) / (la.norm(x) * la.norm(y))
     return np.exp(cosine_sim)