[1] implemented the ll_insert function for an first exercise

BudakovIS/docs/LinkedListPhoneBook.py

@@ -0,0 +1,52 @@
+head = None
+
+#node1 = {'name' : 'Ivan', 'phone' : '123-456', 'next' : None}
+#head = node1
+
+#node2 = {'name' : 'Dima', 'phone' : '789-123', 'next' : None}
+#node1['next'] = node2
+
+def ll_insert(head, name, phone):
+
+    curent = head
+    while curent is not None:
+        if curent['name'] == name:
+            curent['phone'] = phone
+            return head
+        curent = curent['next']
+
+
+    n_node = {'name' : name, 'phone' : phone, 'next' : None}
+
+    if head is None:
+        return n_node
+
+    curent = head
+    while curent['next'] is not None:
+        curent = curent['next']
+    curent['next'] = n_node
+    return head
+
+
+
+ptiny("====== TESTING ll_insert FUNC ========")
+head = ll_insert(head,'Ivan','123-456')
+
+print(head)
+
+head = ll_insert(head, 'Boris', '123-456')
+
+print(head)
+
+head = ll_insert(head, 'Ivan', '321-654')
+
+print(head)
+
+head = ll_insert(head, 'Dima', '345-678')
+
+print(head)
+
+head = ll_insert(head, 'Boris', '111-222')
+
+print(head)
+print("======= END TEST =======")