From b07adc7cb4fd66be1ed555b48627e8536a6c7769 Mon Sep 17 00:00:00 2001
From: komissarovgo <zorakomissarov@gmail.com>
Date: Sun, 26 Apr 2026 00:23:49 +0300
Subject: [PATCH] =?UTF-8?q?=D0=B4=D0=BE=D0=B1=D0=B0=D0=B2=D0=BB=D0=B5?=
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---
 komissarovgo/docs/data/CodePhoneBook.py | 64 ++++++++++++++++++++++++-
 1 file changed, 63 insertions(+), 1 deletion(-)

diff --git a/komissarovgo/docs/data/CodePhoneBook.py b/komissarovgo/docs/data/CodePhoneBook.py
index 8bb29ad..77d0fac 100644
--- a/komissarovgo/docs/data/CodePhoneBook.py
+++ b/komissarovgo/docs/data/CodePhoneBook.py
@@ -1,4 +1,66 @@
 import time
 import random
 import csv
-import sys
\ No newline at end of file
+import sys
+
+# 1. LinkedList
+
+def ll_insert(head, name, phone):
+    
+    new_node = {'name': name, 'phone': phone, 'next': None}
+    
+    if head is None:
+        return new_node
+    
+    if head['name'] == name:
+        head['phone'] = phone
+        return head
+    
+    current = head
+    while current['next'] is not None:
+        if current['next']['name'] == name:
+            current['next']['phone'] = phone
+            return head
+        current = current['next']
+    
+    current['next'] = new_node
+    return head
+
+
+def ll_find(head, name):
+    
+    current = head
+    while current is not None:
+        if current['name'] == name:
+            return current['phone']
+        current = current['next']
+    return None
+
+
+def ll_delete(head, name):
+    
+    if head is None:
+        return None
+    
+    if head['name'] == name:
+        return head['next']
+    
+    current = head
+    while current['next'] is not None:
+        if current['next']['name'] == name:
+            current['next'] = current['next']['next']
+            return head
+        current = current['next']
+    
+    return head
+
+
+def ll_list_all(head):
+    
+    records = []
+    current = head
+    while current is not None:
+        records.append((current['name'], current['phone']))
+        current = current['next']
+    records.sort(key=lambda x: x[0])
+    return records
\ No newline at end of file