class_docstr: Beam search 
class_docstr_tok: ["Beam","search"]
docstr: Get the score of the best in the beam.
docstr_tok: ["Get","the","score","of","the","best","in","the","beam","."]
code: def get_the_best_score_and_idx(self):
      "Get the score of the best in the beam."
      scores, ids = self.sort_scores()
      return scores[1], ids[1]
  
imports: import math
  import paddle
  from paddle import nn
  import paddle.nn.functional
  from paddle.nn import LayerList
  from paddle.nn import Dropout, Linear, LayerNorm
  import numpy
  from ppocr.modeling.backbones.rec_svtrnet import Mlp, zeros_, ones_
  from paddle.nn.initializer import XavierNormal
label_desc: Use image node_id 7 for calling the Beam obj's underlying member method code with example usage: obj.get_the_best_score_and_idx() and returns: scores,  ids