[1] Add hash table using linked list buckets

SavelevMI/docs/data/1-st-exersize/hash_table.py

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+# Хеш-таблица на основе списка корзин, каждая корзина – связный список
+
+import linked_list as ll
+
+def create_hash_table(size=10):
+    return [None] * size
+
+def _hash_function(key, size):
+    return hash(key) % size
+
+def ht_insert(buckets, name, phone):
+    idx = _hash_function(name, len(buckets))
+    head = buckets[idx]
+    new_head = ll.ll_insert(head, name, phone)
+    buckets[idx] = new_head
+    return buckets
+
+def ht_find(buckets, name):
+    idx = _hash_function(name, len(buckets))
+    head = buckets[idx]
+    return ll.ll_find(head, name)
+
+def ht_delete(buckets, name):
+    idx = _hash_function(name, len(buckets))
+    head = buckets[idx]
+    new_head = ll.ll_delete(head, name)
+    buckets[idx] = 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