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C:\Users\Administrator>E:\Python\Python37-32\Scripts\ipython.exe
Traceback (most recent call last):
File "E:\Python\Python37-32\lib\runpy.py", line 193, in _run_module_as_main
"__main__", mod_spec)
File "E:\Python\Python37-32\lib\runpy.py", line 85, in _run_code
exec(code, run_globals)
File "E:\Python\Python37-32\Scripts\ipython.exe\__main__.py", line 4, in <module>
File "E:\Python\Python37-32\lib\site-packages\IPython\__init__.py", line 56, in <module>
from .terminal.embed import embed
File "E:\Python\Python37-32\lib\site-packages\IPython\terminal\embed.py", line 15, in <module>
from IPython.core.interactiveshell import DummyMod, InteractiveShell
File "E:\Python\Python37-32\lib\site-packages\IPython\core\interactiveshell.py", line 66, in <module>
from IPython.utils import io
File "E:\Python\Python37-32\lib\site-packages\IPython\utils\io.py", line 87, in <module>
devnull = open(os.devnull, 'w')
FileNotFoundError: [Errno 2] No such file or directory: 'nul'
ipython安装后不能使用，出现这个提示请高手指教
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