diff --git a/VolkovVA/cod.py b/VolkovVA/cod.py
index 65d46fc..605787b 100644
--- a/VolkovVA/cod.py
+++ b/VolkovVA/cod.py
@@ -74,8 +74,31 @@ def def_hash(name, size):
     final_idx = hash_value % size
     return final_idx
 
+
 def ht_insert(buckets, name, phone):
     size = len(buckets)
     idx = def_hash(name, size)
     ll_insert(buckets[idx], name, phone)
 
+
+def ht_find(buckets, name):
+    size = len(buckets)
+    idx = def_hash(name, size)
+    return ll_find(buckets[idx], name)
+
+
+
+def ht_delete(buckets, name):
+    size = len(buckets)
+    idx = def_hash(name, size)
+    buckets[idx] = ll_delete(buckets[idx], name)
+
+
+def ht_list_all(buckets):
+    res = []
+    for head in buckets:
+        current = head
+        while current is not None:
+            res += [(current['name'], current['phone'])]
+            current = current['next']
+    return sort_records(res)
\ No newline at end of file