You can either directly query them from the list, or take the more verbose route through the items:
>>> document.list('shopping_list').required_string_values() # Note the plural here >>> [item.required_string_value() for item in document.list('shopping_list').items()]
An important gotcha here is that in the shortcut version required string values does not mean there have to be items in the list, but only that items need to have a value. If you look at the non-shortcut version this is obvious, but for the shortcut version it's important to keep in mind.
optional_* variant of this accessor produces the less commonly needed list that might contain
Next page: Keys and Comments