diff --git a/VaravinVV/task1_1.py b/VaravinVV/task1_1.py
index 204a936..06f4567 100644
--- a/VaravinVV/task1_1.py
+++ b/VaravinVV/task1_1.py
@@ -58,4 +58,42 @@ def ll_list_all(head):
         data_list.append({'name': current['name'], 'phone': current['phone']})
         current = current['next']
     data_list.sort(key=lambda x: x['name'])
-    return data_list
\ No newline at end of file
+    return data_list
+
+
+def hash_function(name, size):
+    return hash(name) % size
+
+
+def ht_insert(buckets, name, phone):
+    index = hash_function(name, len(buckets))
+    head = buckets[index]
+    new_head = ll_insert(head, name, phone)
+    buckets[index] = new_head
+    return buckets
+
+
+def ht_find(buckets, name):
+    index = hash_function(name, len(buckets))
+    head = buckets[index]
+    return ll_find(head, name)
+
+
+def ht_delete(buckets, name):
+    index = hash_function(name, len(buckets))
+    head = buckets[index]
+    new_head = ll_delete(head, name)
+    buckets[index] = new_head
+    return buckets
+
+
+def ht_list_all(buckets):
+    all_records = []
+    for head in buckets:
+        current = head
+        while current is not None:
+            all_records.append((current['name'], current['phone']))
+            current = current['next']
+    all_records.sort(key=lambda x: x[0])
+    return all_records
+