diff --git a/svetlakovkyu/docs/data/01/codes/HT.py b/svetlakovkyu/docs/data/01/codes/HT.py
new file mode 100644
index 0000000..8680c91
--- /dev/null
+++ b/svetlakovkyu/docs/data/01/codes/HT.py
@@ -0,0 +1,28 @@
+from codes.LL import ll_insert, ll_find, ll_delete
+def ht_insert(buckets, name, phone):
+    index = hash(name) % len(buckets)
+    current_head = buckets[index]
+    new_head = ll_insert(current_head, name, phone) 
+    buckets[index] = new_head
+# print("-"*100)
+# print(buskets)
+
+def ht_find(buckets, name):
+    index = hash(name)%len(buckets)
+    slot_head = buckets[index]
+    res_ph = ll_find(slot_head, name)
+    return res_ph
+
+def ht_delete(buskets, name):
+    index = hash(name)%len(buskets)
+    buskets[index] = ll_delete(buskets[index], name)
+
+def ht_list_all(buckets):
+    all_rec = []
+    for head in buckets:
+        current = head
+        while current is not None:
+            all_rec.append((current['name'], current['phone']))
+            current = current['next']
+    all_rec.sort()
+    return all_rec
\ No newline at end of file