More Problems

• Write a program to implement a basic shopping list application.
• Write a program to find the total number of uppercase letters in a string using a function.
• Write a program to check if a string is a valid date in the format YYYY-MM-DD.
• Write a program to implement a basic text editor with copy and paste functionality.
• Write a program to find the sum of the squares of the first n natural numbers.
• Write a program to check if a number is a perfect cube using the cube root method.
• Write a program to implement a basic online library system with borrowing functionality.
• Write a program to find the longest substring of unique characters in a string.