More Problems

• Write a program to implement a basic calendar application.
• Write a program to find the number of unique elements in an array.
• Write a program to convert kilometers to miles using a function.
• Write a program to check if a string is a valid JSON string.
• Write a program to find the median of a list of numbers.
• Write a program to implement a simple email newsletter subscription system.
• Write a program to check if a number is a perfect square using the sqrt function.
• Write a program to find the number of vowels and consonants in a string using a function.