PROGRAMS 
• Reverse a String
• Check whether a String is a Palindrome
• Check whether a Number is Prime
• Generate Fibonacci Series
• Find the Factorial of a Number
• Find the Largest Element in an Array/List
• Find the Smallest Element in an Array/List
• Find the Second Largest Element in an Array/List
• Remove Duplicates from an Array/List
• Count the Number of Vowels in a String
• Count the Number of Digits in a Number/String
• Check whether a Number is an Armstrong Number
• Find the Sum of Digits of a Number
• Find the Greatest Common Divisor (GCD) of Two Numbers
• Find the Least Common Multiple (LCM) of Two Numbers
• Check whether a Number is Even or Odd
• Swap Two Numbers
• Find the Frequency of Characters in a String
• Sort a List/Array
• Find the Missing Number in an Array
• Reverse a Number
• Check whether a Year is a Leap Year
• Check whether Two Strings are Anagrams
• Count the Number of Words in a String
• Remove Spaces from a String