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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 scipy_sparse_to_spmatrix(A):
 """Efficient conversion from scipy sparse matrix to cvxopt sparse matrix"""

    coo = A.tocoo()
    SP = spmatrix(coo.data.tolist(), coo.row.tolist(), coo.col.tolist(), size=A.shape)
    return SP