Conversion of (parts of) an association list to lists is 
possible with:
- [det]assoc_to_list(+Assoc, 
-Pairs)
- Translate Assoc to a list Pairs of Key-Value 
pairs. The keys in
Pairs are sorted in ascending order.
- [det]assoc_to_keys(+Assoc, 
-Keys)
- True if Keys is the list of keys in Assoc. The 
keys are sorted in ascending order.
- [det]assoc_to_values(+Assoc, 
-Values)
- True if Values is the list of values in Assoc. Values 
are ordered in ascending order of the key to which they were associated. Values 
may contain duplicates.