import akshare as ak
import pandas as pd

df = ak.stock_zh_index_daily(symbol="sh000300")
print("📊 DataFrame info:")
print(df.info())
print("\n📋 First 5 rows:")
print(df.head())
print("\n🔍 Index type:", type(df.index))
print("🔍 First index value:", df.index[0], type(df.index[0]))
print("\n🔍 Last 5 index values:")
print(df.tail().index)