# 🐍 Python 实用技巧

import os
from pathlib import Path

# 遍历目录下的所有文件
for file in Path('.').rglob('*.xlsx'):
    print(f"处理文件: {file}")

import os

folder = '待处理'
for i, filename in enumerate(os.listdir(folder)):
    if filename.endswith('.xlsx'):
        new_name = f"文件_{i+1}.xlsx"
        os.rename(os.path.join(folder, filename), 
                  os.path.join(folder, new_name))

from tqdm import tqdm

for i in tqdm(range(100)):
    # 模拟处理
    pass