Update _toc.yml

Author: nerdyJuffie

book/_toc.yml

@@ -16,7 +16,8 @@ parts:
         sections:
           - file: some_content/input
           - file: some_content/rekenen
-          - file: some_content/oefeneningen_input_output
+          #- file: some_content/oefeneningen_input_output
+          - file: some_content/input_output_oefeningen
           - file: some_content/oefeningen_rekenen
           - file: some_content/rekenen2
           - file: some_content/verkorte_operatoren