I need a unique python code for this please: Write the below function that takes a string and applies the following rulesrepetitively until there is one character left and returns that character:If the first two characters are "aa" then they are replaced by "b"- If the first two characters are "ba" then they are replaced by "c"- If the first two characters are "ab" then they are replaced by "c"If the first two characters are "bb" then they are replaced by "a"If the first character is "c", then it is replaced by the second character.However, if the second character is also "c" then the first "c" is removed.For everything else, the first character is removed.The input string contains only the letters "a", "b" and "c".For example, the string "aabc" goes through the following transformations:"aabc" -> "bbc" -> "ac" -> "c"Similarly, the string "bacbc" becomes"bacbc" -> "ccbc" -> "cbc" -> "bbc" -> "ac" -> "c"NOTE: If you solve this question in a recursive fashion, you get 10 pointsbonus! The bonus will be applied if and only if you pass all the other tests.def shorten(s):return # Remove this line if you want to answer this question

return s if len(s)==1 else shorten(s)

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I need a unique python code for this please:

Database System Concepts

7th Edition

ISBN:9780078022159

Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Chapter1: Introduction

Section: Chapter Questions

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Question

I need a unique python code for this please:

Write the below function that takes a string and applies the following rules
repetitively until there is one character left and returns that character:
If the first two characters are "aa" then they are replaced by "b"
- If the first two characters are "ba" then they are replaced by "c"
- If the first two characters are "ab" then they are replaced by "c"
If the first two characters are "bb" then they are replaced by "a"
If the first character is "c", then it is replaced by the second character.
However, if the second character is also "c" then the first "c" is removed.
For everything else, the first character is removed.
The input string contains only the letters "a", "b" and "c".
For example, the string "aabc" goes through the following transformations:
"aabc" -> "bbc" -> "ac" -> "c"
Similarly, the string "bacbc" becomes
"bacbc" -> "ccbc" -> "cbc" -> "bbc" -> "ac" -> "c"
NOTE: If you solve this question in a recursive fashion, you get 10 points
bonus! The bonus will be applied if and only if you pass all the other tests.
def shorten(s):
return # Remove this line if you want to answer this question

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