code: def select_by_size(self, min_size=0, max_size=1 << 40, recursive=True):
          
  
          def filters(p): return min_size <= p.size <= max_size
  
          return self.select_file(filters, recursive)
docs: Select file path by size.
  
          **中文文档**
  
          选择所有文件大小在一定范围内的文件。