You can goto View - Styles and change "All Styles" to "Applied Styles" in the drop-down option.
You can Select everything (Ctrl+A) and then use Format > Clear Direct Formatting (Ctrl+M). That would wipe away all the styles, and would start you from a clean slate.

If your chapter titles are using the "Heading 2" Style:
1) View > Styles (F11)
2) In the sidebar, Right-Click > Modify on the "Heading 2" Style.
3) Go to the "Text Flow" tab.
4) On the right side:
5) Check the box for "Breaks > Insert".

This should automatically add a page break before every chapter.

Displaying Color in LO but Printing as White Page + Black Text:

1) Format > Page Style > Area > Color to assign the BG color you want.
2) Go to File > Printer Settings > Options.
3) Uncheck "Page background" and Check "Print in black".
4) Press "Save".

This will cause all files to print black text with no background color. You can also use "Save" + "Delete" button from Tools - opetions - Libreoffice - Application Colors.

1) Open a new file and set your font; Verdana; 18pt
2) File > Templates > Save as Template
3) Select > My Templates then tick the "Set as default template" box
4) Enter a name at the top then save and close the file.

The next time you open Writer, the settings should be in place.

The list of short english words written in Devanagari.

# egrep -x '.{1,2}' eng_words.txt
ऑन
ऑफ
ऑल
टी
टू
डे
डॉ
द
फी
लॉ
सन

CITI
Standard Chartered
HSBC
American Express

HDFC
ICICI
AXIS
INDUS IND
Kotak Mahindra
IDBI

SBI
Canara Bank
Vijaya Bank

To activate the Activate IAM Access setting, you must log in to your AWS account using the root user credentials, and then select the setting in the My Account page.

https://console.aws.amazon.com/billing/home#/account

select the check box that says "Activate IAM Access" in the section "IAM User and Role Access to Billing Information".

wget https://github.com/cheat/cheat/releases/download/4.2.3/cheat-linux-arm64.gz

gunzip cheat-linux-arm64.gz

chmod 770 cheat-linux-arm64

./cheat-linux-arm64

mv cheat-linux-arm64 /usr/local/bin/cheat

#use cheat tar or cheat wget to get more info

list of useful methods of itertools module.

permutations
combinations
combinations_with_replacement
zip_longest
count
repeat
cycle
accumulate
product
groupby
tee
isslice
chain
chain.from_iterable
filterfalse
dropwhile

https://realpython.com/python-itertools/

In the case of original literary, dramatic, musical and artistic works, the duration of copyright is the lifetime of the author or artist, and 60 years counted from the year following the death of the author.

In the case of cinematograph films, sound recordings, photographs, posthumous publications, anonymous and pseudonymous publications, works of government and works of international organizations are protected for a period of 60 years which is counted from the year following the date of publication.

https://www.mondaq.com/india/licensing-syndication/406982/copyright-law-in-india