diff --git a/skorohodovsa/task_1/binary_tree.py b/skorohodovsa/task_1/binary_tree.py
new file mode 100644
index 0000000..ab8f633
--- /dev/null
+++ b/skorohodovsa/task_1/binary_tree.py
@@ -0,0 +1,73 @@
+from typing import Any, Callable
+
+
+def bst_create_node(name: str, phone: str, left: dict = None, right: dict = None) -> dict:
+    return {
+        'name': name,
+        'phone': phone,
+        'left': left,
+        'right': right 
+    }
+
+
+def comparison_name(name_main: str, name_second: str) -> str:
+    """Сравнение аргументов
+
+    :param name_main: 
+    :type name_main: str
+    :param name_second: _description_
+    :type name_second: str
+    :return: _description_
+    :rtype: str
+    """
+    return 'right' if name_main >= name_second else 'left'
+
+
+def bst_insert(root: dict, name: str, phone: str) -> dict:
+    if root is None:
+        return bst_create_node(name, phone)
+    
+    path = comparison_name(root['name'], name)
+    root[path] = bst_insert(root[path], name, phone)
+    
+    return root
+
+
+def bst_create_tree(data: list[dict]) -> dict:
+    if data is None or len(data) == 0:
+        raise ValueError("Список пустой!")
+    base = bst_create_node(**data[0])
+    
+    for var in data[1:]:
+        bst_insert(base, **var)
+    
+    return base
+
+
+def bst_find(root: dict, name: str) -> str | None:
+    if root is None:
+        return None
+    
+    if root['name'] == name:
+        return root['phone']
+    
+    path = comparison_name(root['name'], name)
+    return bst_find(root[path], name)
+
+
+def bst_delete(root, name: str, delete_node: bool = False) -> Any:
+    if root is None:
+        return None
+    
+    if root['name'] == name:
+        if delete_node:
+            root
+        else:
+            pass
+    
+    path = comparison_name(root['name'], name)
+    return bst_find(root[path], name)
+
+
+def bst_list_all(root: dict) -> list[dict]:
+    pass
\ No newline at end of file
diff --git a/skorohodovsa/task_1/test/test_task_2.py b/skorohodovsa/task_1/test/test_task_2.py
new file mode 100644
index 0000000..e69de29