This Chapter will cover following:
    • Print strings     
    • Assigning variables  
    • String Concatenation       
    • Upper/Lower cases   
    • Search string(Contains)       
    • Substrings
    • Start and End with         
    • String length       
    • Trimming, Splitting, Replacing  and Reversing  
    • User input and output
    • Vowels and consonants
    • Character position         
    • Characters and words Count           
    • Duplicate and Unique characters and words  
    • Palindrome     
    • Anagrams