adds 2025 materials

exercises/Exercise 1a Local imports.md

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+## Exercise 1a: Local importing
+
+#### Goal
+
+Retrival practice in "basic" importing.
+
+#### Preparation
+
+(none)
+
+#### Tasks
+
+We are simulating having code in one folder and calling the code from the folder above. 
+
+0. Create a file in the `src/` folder called `daily_menu.py` and copy the code below
+   into it.
+
+```python
+def todays_special():
+    pizza_margherita = make_margherita_pizza()
+
+    schorle = make_apfelschorle()
+
+    print("Today's special is ready! Buon Appetito!")
+    return pizza_margherita, schorle
+
+pizza, drink = todays_special()
+```
+
+1. Figure out what import statements are missing, either by visual inspection or
+   by running the code and seeing what does. Add the missing import statements at
+   the top of the file. You may need to inspect the files in `src/italianfood/`.
+
+2. Run `daily_menu.py`. Did it work?