From 60b42ee51cbd3cdc5d34a746258429e560c0cd3a Mon Sep 17 00:00:00 2001
From: volkovva <vva26102021@gmail.com>
Date: Sat, 23 May 2026 14:47:03 +0300
Subject: [PATCH] =?UTF-8?q?=20=D0=B7=D0=B0=D0=BA=D0=BE=D0=BD=D1=87=D0=B8?=
 =?UTF-8?q?=D0=BB=20=D1=81=D0=B2=D1=8F=D0=B7=D0=BD=D1=8B=D0=B9=20=D1=81?=
 =?UTF-8?q?=D0=BF=D0=B8=D1=81=D0=BE=D0=BA?=
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---
 VolkovVA/cod.py | 36 ++++++++++++++++++++++++++++++++++++
 1 file changed, 36 insertions(+)

diff --git a/VolkovVA/cod.py b/VolkovVA/cod.py
index 7495326..eb77941 100644
--- a/VolkovVA/cod.py
+++ b/VolkovVA/cod.py
@@ -18,3 +18,39 @@ def ll_insert(head, name, phone):
     new_node['next'] = head
     return new_node
 
+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
+   
+        
+def ll_list_all(head):
+    record=[]
+    current=head
+    while current is not None:
+        record.append(current['name'], current['phone'])
+        current=current['next']
+    record.sort(key=lambda x: x[0])
+    return record
+
+    
+            
+    
+        
+