## utils.format_valid_options()


Format the key-value pairs of a dictionary as a bullet list for error messages.


Usage

``` python
utils.format_valid_options(d)
```


## Parameters


`d: dict`  
The dictionary whose items will be formatted as valid options.


## Returns


`str`  
A string representing the dictionary items as a bullet list, suitable for inclusion in error messages about valid argument values.


## Examples

``` python
>>> allowed = {"csv": "Comma-separated values", "json": "JavaScript Object Notation"}
>>> print(format_valid_options(allowed))
```

- 'csv': Comma-separated values
- 'json': JavaScript Object Notation