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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 cublasStbmv(handle, uplo, trans, diag, n, k, A, lda, x, incx):
 """ Matrix-vector product for real triangular-banded matrix. """

    
    status = _libcublas.cublasStbmv_v2(handle, 
                                       _CUBLAS_FILL_MODE[uplo], 
                                       _CUBLAS_OP[trans], 
                                       _CUBLAS_DIAG[diag], 
                                       n, k, int(A), lda, int(x), incx)
    cublasCheckStatus(status)