Update sequences_ege_enc.py

Author: egeenc0

Week03/sequences_ege_enc.py

@@ -1,7 +1,7 @@
-def unique_items(seq):
+def remove_duplicates(seq : list) -> list:
     return list(set(seq))
 
-def item_frequencies(seq):
+def list_counts(seq:list) -> dict:
     d = {}
     for i in seq:
         if i in d:
@@ -10,7 +10,7 @@ def item_frequencies(seq):
             d[i] = 1
     return d
 
-def reverse_dict(d):
+def reverse_dict(d : dict) -> dict:
     nd = {}
     for i, h in d.items():
         nd[h] = i