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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 _strip_leading_zeros(coeffs, threshold=_COEFFICIENT_THRESHOLD):
 r"""Strip leading zero coefficients from a polynomial. .. note:: This assumes the polynomial :math:`f` defined by ``coeffs`` has been normalized (via :func:`.normalize_polynomial`). Args: coeffs (numpy.ndarray):
 ``d + 1``-array of coefficients in monomial / power basis. threshold (Optional[float]):
 The point :math:`\tau` below which a a coefficient will be considered to be numerically zero. Returns: numpy.ndarray: The same coefficients without any unnecessary zero terms. """

    while np.abs(coeffs[-1]) < threshold:
        coeffs = coeffs[:-1]
    return coeffs