add some old code

old/generate_electricity_price.py

@@ -0,0 +1,19 @@
+import pandas as pd
+import numpy as np
+
+start_date = '2023-01-01'
+end_date = '2024-01-01'
+
+# 创建时间索引
+time_index = pd.date_range(start=start_date, end=end_date, freq='15min')
+
+# 生成电价数据，假设电价在0.28到0.32欧元/kWh之间波动
+price_data = np.random.uniform(0.28, 0.32, len(time_index))
+
+# 创建DataFrame
+price_df = pd.DataFrame(data={'Time': time_index, 'ElectricityPrice': price_data})
+
+# 保存到CSV文件
+price_df.to_csv('electricity_price_data.csv', index=False)
+
+print("Electricity price data generated and saved.")