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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 canparse(argparser, args):
 """Determines if argparser can parse args."""

    old_error_method = argparser.error
    argparser.error = _raise_ValueError
    try:
        argparser.parse_args(args)
    except ValueError:
        return False
    else:
        return True
    finally:
        argparser.error = old_error_method