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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 shell_out_ignore_exitcode(cmd, stderr=STDOUT, cwd=None):
 """Same as shell_out but doesn't raise if the cmd exits badly."""

    try:
        return shell_out(cmd, stderr=stderr, cwd=cwd)
    except CalledProcessError as c:
        return _clean_output(c.output)