More Problems

• Write a program to find the index of the last occurrence of a character in a string.
• Write a program to check if a string contains all digits.
• Write a program to find the sum of odd numbers in a given range.
• Write a program to implement a simple password manager.
• Write a program to find the first repeating character in a string.
• Write a program to convert grams to ounces.
• Write a program to check if a number is a triangular number.
• Write a program to implement a basic shopping cart system.