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Introduction Imagine you're building a house. You could use different materials – wood, brick, steel – but what if I told you there's a special material that works perfectly whether you're building in Tokyo, New York, or Mumbai? A material that's str...

Write a program that checks if a given string is a palindrome. Ignore case and spaces. For example, "A man a plan a canal Panama" should return true Write a program that finds the most frequently occurring character in a string. Ex: in "programming"...
