Example: Writing “Rich” strings with multiple formats

#######################################################################
#
# An example of using Python and XlsxWriter to write some "rich strings",
# i.e., strings with multiple formats.
#
# SPDX-License-Identifier: BSD-2-Clause
# Copyright 2013-2023, John McNamara, jmcnamara@cpan.org
#
import xlsxwriter

workbook = xlsxwriter.Workbook("rich_strings.xlsx")
worksheet = workbook.add_worksheet()

worksheet.set_column("A:A", 30)

# Set up some formats to use.
bold = workbook.add_format({"bold": True})
italic = workbook.add_format({"italic": True})
red = workbook.add_format({"color": "red"})
blue = workbook.add_format({"color": "blue"})
center = workbook.add_format({"align": "center"})
superscript = workbook.add_format({"font_script": 1})

# Write some strings with multiple formats.
worksheet.write_rich_string(
    "A1", "This is ", bold, "bold", " and this is ", italic, "italic"
)

worksheet.write_rich_string("A3", "This is ", red, "red", " and this is ", blue, "blue")

worksheet.write_rich_string("A5", "Some ", bold, "bold text", " centered", center)

worksheet.write_rich_string("A7", italic, "j = k", superscript, "(n-1)", center)

# If you have formats and segments in a list you can add them like this:
segments = ["This is ", bold, "bold", " and this is ", blue, "blue"]
worksheet.write_rich_string("A9", *segments)

workbook.close()