import xlsxwriter

 # 创建一个工作簿并添加一个工作表

 workbook = xlsxwriter.Workbook("demo.xlsx")

 worksheet = workbook.add_worksheet()

 # 设置列宽

 worksheet.set_column("A:A", 20)

 # 设置格式

 bold = workbook.add_format({"bold": True})

 # 设置单元格的值

 worksheet.write("A1", "Hello")

 # 带格式的单元格

 worksheet.write("A2", "World")

 # 写一些数字，用行列标识

 worksheet.write(2, 0, 123)

 worksheet.write(3, 0, 123.456, bold)

 # 插入一张图片

 worksheet.insert_image("B5", "C:/Users/Cheng/Desktop/1.png")

 # 关闭文件流

 workbook.close()

 import xlrd

 import xlsxwriter

 source_xls = ["D:/python/1.xlsx", "D:/python/2.xlsx"]

 target_xls = "D:/python/3.xlsx"

 # 读取数据

 data = []

 for i in source_xls:

     wb = xlrd.open_workbook(i)

     for sheet in wb.sheets():

         for rownum in range(sheet.nrows):

             data.append(sheet.row_values(rownum))

 print(data)

 # 写入数据

 workbook = xlsxwriter.Workbook(target_xls)

 worksheet = workbook.add_worksheet()

 font = workbook.add_format({"font_size":14})

 for i in range(len(data)):

     for j in range(len(data[i])):

         worksheet.write(i, j, data[i][j], font)

 # 关闭文件流

 workbook.close()