import os 读取不了文件

import os

for p, d, f in os.walk('--'):
for x in d:
print(os.path.join(p, x))
for i in f:
print(os.path.join(p, i))

"C:\Program Files\Python310\python.exe" "D:/Python/Python Project/pro2122a/demo0422/demo01.py"

Process finished with exit code 0

os.walk('--') 你有这个'--'目录吗