text: import React from 'react';
  import { useSelector } from 'react-redux';
  import { Column } from '../column/column';
  import './retro-column.less';
  
  export function RetroColumn() {
      const columnList = useSelector(state => state.retro.columnList);
      return (
          <div className="column-container">
              {
                  columnList.map((column, index) => {
                      return (
                          <div className="retro-column" key={column.columnId}>
                              <Column column={column} key={index} />
                          </div>
                      )
                  })
              }
          </div>
      );
  }
  
  export default RetroColumn;
  