updates

slides/01_intro_python.md

@@ -601,7 +601,7 @@ i) Display a numpy array as figure of a blue cross. The size should be 200
      selects the inner part of the circle using the indexing.
      
    \small
-   [Solution:  01_intro_ex_1a_sol.ipynb](https://www.physi.uni-heidelberg.de/~reygers/lectures/2022/ml/solutions/01_intro_ex_1a_sol.ipynb) \normalsize
+   [Solution:  01_intro_ex_1a_sol.ipynb](https://www.physi.uni-heidelberg.de/~reygers/lectures/2023/ml/solutions/01_intro_ex_1a_sol.ipynb) \normalsize
    
 ii) Read data which contains pixels from the binary file horse.py into a
     numpy array. Display the data and the following transformations in 4
@@ -609,7 +609,7 @@ ii) Read data which contains pixels from the binary file horse.py into a
     and mirroring.
     
     \small
-    [Solution: 01_intro_ex_1b_sol.ipynb](https://www.physi.uni-heidelberg.de/~reygers/lectures/2022/ml/solutions/01_intro_ex_1b_sol.ipynb) \normalsize 
+    [Solution: 01_intro_ex_1b_sol.ipynb](https://www.physi.uni-heidelberg.de/~reygers/lectures/2023/ml/solutions/01_intro_ex_1b_sol.ipynb) \normalsize 
       
 
 ## Pandas

slides/introduction.md

@@ -15,7 +15,7 @@
    - Machine learning - decision trees
 
  * **Day 4**
-   - Machine learning - convolutional networks graph neural networks
+   - Machine learning - convolutional networks and graph neural networks
 
  * **Organization** and **Objective**
    -  \textcolor{red} {2 ETC: Compulsory attendance is required} \newline