commit 2385c379df1cfcaee5437630fe6df0936eff210a
Author: Шимченко <lev.shimchlev@gmail.com>
Date:   Wed Jul 2 13:10:37 2025 +0000

    Загрузить файлы в «/»

diff --git a/count_sum_pandas.py b/count_sum_pandas.py
new file mode 100644
index 0000000..09da9a6
--- /dev/null
+++ b/count_sum_pandas.py
@@ -0,0 +1,4 @@
+import pandas as pd
+
+def count_sum(df: pd.DataFrame) -> pd.DataFrame:
+    return df.groupby('Товар')['Количество'].sum().reset_index()
\ No newline at end of file