Count Down: Counts down from a user-input number to zero, printing each number.

Vowel Counter: Counts and prints the total number of vowels in user-input text, case-insensitive.

Sort List: Sorts a list of numbers in ascending, descending, or original order based on a given parameter.

Invoice Generator: Creates and prints an invoice showing each item’s name, price, and the total amount for a given client and list of items.

Repetition: Read fields and their counts from an Excel file, then print each field the specified number of times—simulating printing ID cards for a data workshop based on participants’ interests.

Split Text into Sentences:Use regular expressions to divide a block of text into individual sentences based on punctuation and capitalization.