There are a number of text conventions used throughout this book.

CodeInText: Indicates code words in text, database table names, folder names, filenames, file extensions, pathnames, dummy URLs, user input, and Twitter handles. Here is an example: " To unpack the archives shutil module has unpack_archive() function."

A block of code is set as follows:

 >>> 3 * 'hi' + 'hello'
'hihihihello' 

Any command-line input or output is written as follows:

  sudo apt install python3-pip

Bold: Indicates a new term, an important word, or words that you see onscreen. Here is an example: " The CSV format, which stands for Comma Separated Values format."