#!/usr/bin/env python3
import pandas as pd
import numpy as np

DATA_PATH = "/Users/anthony/ai_lesson/ai_zhangzhongshan/心血管疾病.xlsx"

try:
    df = pd.read_excel(DATA_PATH, engine='openpyxl')
    print("Data loaded successfully!")
    print(f"Shape: {df.shape}")
    print("\nColumns:")
    print(df.columns.tolist())
    print("\nFirst few rows:")
    print(df.head())
    print("\nData types:")
    print(df.dtypes)
    print("\nMissing values:")
    print(df.isnull().sum())
except Exception as e:
    print(f"Error: {e}")