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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 cublasSgbmv(handle, trans, m, n, kl, ku, alpha, A, lda, x, incx, beta, y, incy):
 """ Matrix-vector product for real general banded matrix. """


    status = _libcublas.cublasSgbmv_v2(handle,
                                       trans, m, n, kl, ku,
                                       ctypes.byref(ctypes.c_float(alpha)),
                                       int(A), lda,
                                       int(x), incx,
                                       ctypes.byref(ctypes.c_float(beta)),
                                       int(y), incy)
    cublasCheckStatus(status)