code: def __repr__(self):
      s = f"UCM: {self.ucm:6.2%} LCM: {self.lcm:6.2%} "
      s += f"UP: {self.up:6.2%} UR: {self.ur:6.2%} UF: {self.uf:6.2%} "
      s += f"LP: {self.lp:6.2%} LR: {self.lr:6.2%} LF: {self.lf:6.2%}"
  
      return s
  
imports: from collections import Counter
label_desc: Use image node_id 3 for calling the BracketMetric obj's underlying member method code with example usage: obj.__repr__() and returns: s