More Problems

• Write a program to check if a string is a valid IPv6 address.
• Write a program to find the smallest prime number in a given range.
• Write a program to implement a simple event management application.
• Write a program to check if a number is a composite number.
• Write a program to find the longest word in a text file.
• Write a program to implement a basic recipe management system.
• Write a program to find the total number of unique characters in a string.
• Write a program to implement a basic online quiz application with time limits.