import pandas as pd
import requests
from io import BytesIO

def analyze_excel(path_or_url: str) -> str:
    try:
        if path_or_url.startswith("http"):
            response = requests.get(path_or_url)
            df = pd.read_excel(BytesIO(response.content))
        else:
            df = pd.read_excel(path_or_url)
    except Exception as e:
        return f"Error reading Excel file: {e}"

    return f"Loaded sheet with shape {df.shape} and columns: {', '.join(df.columns)}"