More Problems

• Write a program to check if a number is a happy number using a function.
• Write a program to calculate the total cost of items in a shopping cart.
• Write a program to implement a basic to-do list application with due dates.
• Write a program to check if a string contains only alphabetic characters.
• Write a program to find the longest consecutive sequence of digits in a string.
• Write a program to implement a simple task management system.
• Write a program to find the GCD of multiple numbers using a function.
• Write a program to check if a number is a triangular number using a function.