feat: include suggestion from @tobok-dot #7

sss/sss1.qmd

@@ -343,12 +343,18 @@ list_of_sets = [(1, 2, 3), (4, 5, 6), (7, 8)]
 flat = [1, 2, 3, 4, 5, 6, 7, 8]
 ```
 
-(@) Is it still working if we include a set  with a single entry?
+(@) Is it still working if we include a set with a single entry?
 ```{.python}
 list_of_sets = [(1, 2, 3), (4, 5, 6), (7, 8), (9)]
 flat = [1, 2, 3, 4, 5, 6, 7, 8, 9]
 ```
 
+(@) What happens when we indicate that it is supposed to be a set clearly?
+```{.python}
+list_of_sets = [(1, 2, 3), (4, 5, 6), (7, 8), (9,)]
+flat = [1, 2, 3, 4, 5, 6, 7, 8, 9]
+```
+
 (@) What happens if we have lists instead of sets?
 ```{.python}
 list_of_lists = [[1, 2, 3], [4, 5, 6], [7, 8], [9]]