Добавлены файлы data.txt, script.py

data.txt

@@ -0,0 +1,5 @@
+Молоко 2
+Хлеб 1
+Яблоки 4
+Сыр 3
+Чай 5

script.py

@@ -0,0 +1,9 @@
+with open("data.txt", "r", encoding="utf-8") as file:
+    lines = file.readlines()
+
+changed_lines = [line.upper() for line in lines]
+
+with open("output.txt", "w", encoding="utf-8") as file:
+    file.writelines(changed_lines)
+
+print("Файл output.txt создан.")