将excel单元格中的内容,批量转化成批注

from openpyxl import load_workbook
from openpyxl.comments import Comment

wb = load_workbook(filename='123.xlsx',read_only=False)
sheet = wb['Sheet1']

for row in sheet['A4':'AC25']:  #选择修改范围
    for cell in row:
        if cell.value:
            comment = Comment(cell.value,'yara')
            comment.width = 200
            comment.height = 40
            cell.comment = comment

wb.save('comment.xlsx')