import tempfile
import os

# 创建临时目录
temp_dir = tempfile.mkdtemp(prefix="A")

# 在临时目录中创建文件
file_path = os.path.join(temp_dir, "my_file.txt")
with open(file_path, 'w') as file:
    file.write("This is a file in a temporary directory.")

print(file_path)