code: def copy(self):
          '''Create a copy of the current instance.
  
          :returns: A safely-editable copy of the current sequence.
          :rtype: coral.DNA
  
          '''
          # Significant performance improvements by skipping alphabet check
          features_copy = [feature.copy() for feature in self.features]
          copy = type(self)(self.top.seq, circular=self.circular,
                            features=features_copy, name=self.name,
                            bottom=self.bottom.seq, run_checks=False)
          return copf copy(self):
          '''Create a copy of the current instance.
  
          :returns: A safely-editable copy of the current sequence.
          :rtype: coral.DNA
  
          '''
          # Significant performance improvements by skipping alphabet check
          features_copy = [feature.copy() for feature in self.features]
          copy = type(self)(self.top.seq, circular=self.circular,
                            features=features_copy, name=self.name,
                            bottom=self.bottom.seq, run_checks=False)
          return copy
docs: Create a copy of the current instance.
  
          :returns: A safely-editable copy of the current sequence.
          :rtype: coral.DNA