diff --git a/raskatovia/docs/data/task1/tests.py b/raskatovia/docs/data/task1/tests.py
new file mode 100644
index 0000000..a672001
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+++ b/raskatovia/docs/data/task1/tests.py
@@ -0,0 +1,46 @@
+from spravochnik import *
+
+def test_linked_list():
+    head = None
+    head = ll_insert(head, "Ivan", "111")
+    head = ll_insert(head, "Anna", "222")
+    head = ll_insert(head, "Petr", "333")
+    head = ll_insert(head, "Anna", "444")
+    print("Linked list")
+    print(ll_find(head, "Anna"))
+    print(ll_find(head, "Olga"))
+    print(ll_list_all(head))
+    head = ll_delete(head, "Ivan")
+    print(ll_list_all(head))
+    print()
+
+def test_hash_table():
+    table = ht_create()
+    ht_insert(table, "Ivan", "111")
+    ht_insert(table, "Anna", "222")
+    ht_insert(table, "Petr", "333")
+    ht_insert(table, "Anna", "444")
+    print("Hash table")
+    print(ht_find(table, "Anna"))
+    print(ht_find(table, "Olga"))
+    print(ht_list_all(table))
+    ht_delete(table, "Ivan")
+    print(ht_list_all(table))
+    print()
+
+def test_bst():
+    root = None
+    root = bst_insert(root, "Ivan", "111")
+    root = bst_insert(root, "Anna", "222")
+    root = bst_insert(root, "Petr", "333")
+    root = bst_insert(root, "Anna", "444")
+    print("BST")
+    print(bst_find(root, "Anna"))
+    print(bst_find(root, "Olga"))
+    print(bst_list_all(root))
+    root = bst_delete(root, "Ivan")
+    print(bst_list_all(root))
+
+test_linked_list()
+test_hash_table()
+test_bst()
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