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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 _remove_bdb_context(evalue):
 """Remove exception context from Pdb from the exception. E.g. "AttributeError: 'Pdb' object has no attribute 'do_foo'", when trying to look up commands (bpo-36494). """

        removed_bdb_context = evalue
        while removed_bdb_context.__context__:
            ctx = removed_bdb_context.__context__
            if (
                isinstance(ctx, AttributeError)
                and ctx.__traceback__.tb_frame.f_code.co_name == "onecmd"
            ):
                removed_bdb_context.__context__ = None
                break
            removed_bdb_context = removed_bdb_context.__context__