Easy 2 point Medium 4 points Hard 6 points Ninja 10 points

Question Type Level Solve
Write a function to check whether given string is palindrome? String Medium Solve
Write a function to reverse a string? String Easy Solve
Write a function to count the digits of given number? Number Medium Solve
Write a function a square a number? Number Easy Solve
Write a function to find nth fibonacci number? Number Medium Solve
Write a function to convert the string to all lowercase? String Medium Solve
Write a function to count digits in given string? String Medium Solve
Write a function to take power? Number Easy Solve
Write a function that removes all duplicate letters from given string? String Hard Solve
Write a function to check whether given number is negative? Number Easy Solve