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Solve the following problem using Python, implementing the functions described below, one line at a time
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Description:
 def mount_point_ready(self, path):
 """! Check if a mount point is ready for file operations @return Returns True if the given path exists, False otherwise @details Calling the Windows command `dir` instead of using the python `os.path.exists`. The latter causes a Python error box to appear claiming there is "No Disk" for some devices that are in the ejected state. Calling `dir` prevents this since it uses the Windows API to determine if the device is ready before accessing the file system. """

        stdout, stderr, retcode = self._run_cli_process("dir %s" % path)
        result = True if retcode == 0 else False

        return result