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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 _create_node_matrix_from_full_matrix(specs):
 """Transform parsed data from EDGE_WEIGHT_SECTION into an upper triangular matrix 'MATRIX' key added to `specs` """

    old_matrix = specs['EDGE_WEIGHT_SECTION']
    nodes = specs['DIMENSION']

    specs['MATRIX'] = {}

    for i in range(nodes):
        specs['MATRIX'][i + 1] = {}

        for j in range(nodes):
            if i > j:
                continue

            specs['MATRIX'][i + 1][j + 1] = int(old_matrix[i][j])