diff --git a/MininaVD/docs/Laba1.doc b/MininaVD/docs/Laba1.doc
new file mode 100644
index 0000000..4d6a3b4
--- /dev/null
+++ b/MininaVD/docs/Laba1.doc
@@ -0,0 +1 @@
+ECHO is on.
diff --git a/MininaVD/docs/data/Laba1dop.doc b/MininaVD/docs/data/Laba1dop.doc
new file mode 100644
index 0000000..0300b3a
--- /dev/null
+++ b/MininaVD/docs/data/Laba1dop.doc
@@ -0,0 +1,20 @@
+Linked List Phone Book:
+
+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 
+     
+
+