Visual Studio 2017 Python“；KeyError:'；断开系统出口零位'&引用；

我使用Visual Studio 2017。当我尝试像这样调试python代码时：

     print " hello "

我得到这个错误：

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@madjaoue我希望显示“hi”，但显示的错误可能类似于@Khalil Sebti，您可以在这里学习python:，正确的代码是print（“hello”）

warning: Debugger speedups using cython not found. Run '"C:\Program Files\Python37\python.exe" "C:\Program Files (x86)\Microsoft Visual Studio\2017\Community\Common7\IDE\Extensions\Microsoft\Python\Core\Packages\ptvsd\pydevd\setup_cython.py" build_ext --inplace' to build.
pydev debugger: starting

Traceback (most recent call last): 
  File "C:\Program Files (x86)\Microsoft Visual Studio\2017\Community\Common7\IDE\Extensions\Microsoft\Python\Core\Packages\ptvsd\wrapper.py", line 796, in done
    fut.result() 
  File "C:\Program Files (x86)\Microsoft Visual Studio\2017\Community\Common7\IDE\Extensions\Microsoft\Python\Core\Packages\ptvsd\futures.py", line 40, in result
    reraise(self._exc_info)   
  File "C:\Program Files (x86)\Microsoft Visual Studio\2017\Community\Common7\IDE\Extensions\Microsoft\Python\Core\Packages\ptvsd\reraise3.py", line 8, in reraise
    raise exc_info[1].with_traceback(exc_info[2]) 
  File "C:\Program Files (x86)\Microsoft Visual Studio\2017\Community\Common7\IDE\Extensions\Microsoft\Python\Core\Packages\ptvsd\futures.py", line 149, in callback
    x = next(it)
  File "C:\Program Files (x86)\Microsoft Visual Studio\2017\Community\Common7\IDE\Extensions\Microsoft\Python\Core\Packages\ptvsd\wrapper.py", line 1004, in on_launch
    args.get('options', options))
  File "C:\Program Files (x86)\Microsoft Visual Studio\2017\Community\Common7\IDE\Extensions\Microsoft\Python\Core\Packages\ptvsd\wrapper.py", line 959, in _parse_debug_options
  options[key] = DEBUG_OPTIONS_PARSER[key](value)
KeyError: 'BREAK_SYSTEMEXIT_ZERO'