[Bug]: example for [LG_M50_ECM] does not work

### Python Version

3.11

### Describe the bug

example for [LG_M50_ECM] does not work
it throws the error
 

### Steps to reproduce the behaviour

just running Identifying the Parameters section

### Relevant log output

```shell
self._parameter_set[key] = "[input]"
    ~~~~~~~~~~~~~~~~~~~^^^^^
TypeError: 'ParameterSet' object does not support item assignment
```
