Add approx times to Hands-On slides

lectures/debugging-strategies/slides.qmd

@@ -486,7 +486,7 @@ issues in line 9 and 13
 ::::::::
 
 
-## Hands-On! {.handson}
+## Hands-On! (5-10min) {.handson}
 
 1. What are the actual issues in the code from the previous slide based on the error messages?
 2. How to rectify them?
@@ -627,7 +627,7 @@ def Get_Time_Objects(timestamp_start, timestamp_end, timestep_days):
 ```
 
 
-## Hands-On! {.handson}
+## Hands-On! (~15min) {.handson}
 
 1. Which command in the code causes the problem?
 2. Describe what would you need to do?
@@ -682,7 +682,7 @@ logging.error('Example error message')
 ```
 
 
-## Hands-On! {.handson .leftalign}
+## Hands-On! (~10min) {.handson .leftalign}
 
 Use the Python code for the Postprocessing example and add logging output at appropriate points.
 Afterwards your code should log