Update app.py

app.py

@@ -1,15 +1,19 @@
 import gradio as gr
 import pandas as pd
-def double_age(dataframe):
-    # 'age'列を2倍にする
-    dataframe['age'] = dataframe['age'] * 2
-    # 結果をCSV形式で返す
-    return dataframe.to_csv(index=False)
-iface = gr.Interface(
+
+def double_age(csv_file):
+    df = pd.read_csv(csv_file.name)
+    df['age'] = df['age'] * 2
+    csv_data = df.to_csv(index=False)
+    return csv_data
+
+interface = gr.Interface(
     fn=double_age,
-    inputs=gr.Dataframe(headers=["name", "age"], datatype=["str", "number"], row_count=5, col_count=(2, "fixed")),
-    outputs="text",
-    description="Upload a CSV file with 'name' and 'age' columns, and download the modified CSV file with 'age' doubled."
+    inputs=gr.File(label="CSVファイルをアップロード"),
+    outputs=gr.File(label="ダウンロード"),
+    examples=[
+        ["example_data.csv"]  # サンプルデータがあれば指定します
+    ]
 )
 
-iface.launch()
+interface.launch()