From 67b7233c063235d00900bec0936483f8676eba6e Mon Sep 17 00:00:00 2001
From: testclient-admin <admin@testclient.local>
Date: Sun, 23 Aug 2026 14:57:38 +0000
Subject: [PATCH] Restore calculator.py

---
 calculator.py | 20 ++++++++++++++++++++
 1 file changed, 20 insertions(+)
 create mode 100644 calculator.py

diff --git a/calculator.py b/calculator.py
new file mode 100644
index 0000000..7c88e1c
--- /dev/null
+++ b/calculator.py
@@ -0,0 +1,20 @@
+#!/usr/bin/env python3
+"""Простой калькулятор"""
+
+
+def add(a, b):
+    return a + b
+
+
+def subtract(a, b):
+    return a - b
+
+
+def multiply(a, b):
+    return a * b
+
+
+def divide(a, b):
+    if b == 0:
+        raise ValueError("division by zero")
+    return a / b