+ impact of comma

simple.yml

@@ -22,15 +22,11 @@ parameterset:
         _: "2024.01"
   - name: benchParam
     parameter:
-      - name: input_value_jurecadc
-        separator: none
-        _: '{"2024.12" : "1", "2024.01" : 2}'
-      - name: input_value_jedi
-        separator: none
-        _: '{"2024.12" : "3", "2024.01" : 4}'
       - name: input_value
-        mode: python
-        _: '{ "jurecadc" : ${input_value_jurecadc} , "jedi" : ${input_value_jedi} }["${system_name}"]["${system_version}"]'
+        separator: none
+        _: 1.0
+      - name: authors
+        _: jayesh, andreas
 step:
   - name: execute
     use: 
@@ -64,3 +60,4 @@ result:
     column:
       - { title: "Runtime", _: runtime }
       - { title: "System", _: system_name }
+      - { title: "Authors", _: authors }