diff --git a/konnovaea/experiments.py b/konnovaea/experiments.py
new file mode 100644
index 0000000..e69de29
diff --git a/konnovaea/phonebook.py b/konnovaea/phonebook.py
index 6a02ec7..1204fb7 100644
--- a/konnovaea/phonebook.py
+++ b/konnovaea/phonebook.py
@@ -1,13 +1,16 @@
 def ll_insert(head, name, phone):
-    current = head 
-    while current is not None:
-        if current['name'] == name:
-            current['phone'] = phone
-            return head
-        current = current['next']
+   
+   new_node = {'name': name, 'phone': phone, 'next': None}
 
-    new_node = {'name': name, 'phone': phone, 'next': head}
-    return new_node
+   if head is None:
+       return new_node
+   
+   current = head
+   while current['next'] is not None:
+    current = current['next']
+
+    current['next'] = new_node
+    return head
 
 def ll_find(head, name):
     current = head
@@ -25,7 +28,7 @@ def ll_delete(head, name):
     current = head
     while current['next'] is not None:
         if current['next']['name'] == name:
-            current['next'] = current['naext']['next']
+            current['next'] = current['next']['next']
             return head
         current = current['next']
     return head
@@ -35,7 +38,7 @@ def ll_list_all(head):
     current = head
 
     while current is  not None:
-        records.append((current['name'], current['phine']))
+        records.append((current['name'], current['phone']))
         current = current['next']
     records.sort(key=lambda x: x[0])
     return records