diff --git a/.gitignore b/.gitignore
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--- a/.gitignore
+++ b/.gitignore
@@ -1 +1,2 @@
-.venv/
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+.venv/
+/output.txt
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diff --git a/README.md b/README.md
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--- /dev/null
+++ b/README.md
@@ -0,0 +1,3 @@
+Задание 2-3
+
+Преобразование в верхний регистр строк из data.txt и запись их в output.txt 
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diff --git a/data.txt b/data.txt
new file mode 100644
index 0000000..252303d
--- /dev/null
+++ b/data.txt
@@ -0,0 +1,3 @@
+киров
+москва
+сочи
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diff --git a/main.py b/main.py
new file mode 100644
index 0000000..1e66e40
--- /dev/null
+++ b/main.py
@@ -0,0 +1,7 @@
+with open("data.txt", "r", encoding="utf-8") as file: lines = file.readlines()
+
+transformed_lines = [line.strip().upper() for line in lines]
+
+with open("output.txt", "w", encoding="utf-8") as file:
+    for line in transformed_lines:
+        file.write(line + "\n")
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diff --git a/requirements.txt b/requirements.txt
new file mode 100644
index 0000000..0a9621a
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