Introduction-3
Today, we will gradually introduce more complex exercises and explore new concepts, including functions, as a way to improve the structure of your code. By the end of the day, you will be able to:
- Identify use cases for sets and dictionaries
 - Write data to a simple dictionary
 - Write basic functions for processing data
 - Use 
sys.argvto handle command-line input in your code - Apply formatting to enhance the display of your output