Use python to solve those questions.

They all related each other.

Thank you

1. Write a function, roll right(Word), which takes a word, Word, consisting only of lowercase letters, and returns a new word resulting from moving the last letter of Word to the beginning of Word. For example roll_right('tiger') returns 'rtige 2. Write a function, roll_left(Word), which takes a word, Word, consisting only of lowercase letters, and returns a new word resulting from moving the first letter of Word to the end of Word. For example, roll_left('tiger') returns 'igert 3. Write a function, roll_right_rpt(Word.n), which returns the result of applying roll-right to word n times, where int n >= 0, For example, roll_right_rpt('tiger',2) returns 'ertig 4. Write a function, roll_left_rpt(Word,n), which returns the result of applying rollleft to word n times, where int n >-0. For example, roll_ left_rpt('tiger',2) returns 'gerti - s Write a function roll Word,n), which returns roll_right_rpt (Word,n) if n > 0 and which returns roll_left_rpt (Word,n)if n