More Problems

• Write a program to find the sum of the digits of a hexadecimal number.
• Write a program to implement a simple character frequency analyzer.
• Write a program to check if a number is an odd composite number.
• Write a program to find the total number of lines in a text file.
• Write a program to implement a simple online task manager.
• Write a program to check if a string is a valid IP address.
• Write a program to find the largest prime factor of a given number.
• Write a program to implement a simple online dictionary application.