from ironxl import *

# Create new Excel WorkBook document
workbook = WorkBook.Create()

# Convert XLSX to XLS
xlsWorkBook = WorkBook.Create(ExcelFileFormat.XLS)

# Create a blank WorkSheet
worksheet = workbook.CreateWorkSheet("new_sheet")

# Add data and styles to the new worksheet
worksheet["A1"].Value = "Hello World"
worksheet["A1"].Style.WrapText = True
worksheet["A2"].BoolValue = True
worksheet["A2"].Style.BottomBorder.Type = BorderType.Double

# Save the excel file as XLS, XLSX, CSV, TSV, JSON, XML, HTML and streams
workbook.SaveAs("test.xlsx")