python code i. Add a function named readfile() to your program that takes a string (filename) as the parameter. You can assume that this file contains a single string. Your function must read the file and return this string. ii. Add a function named scramble() that takes a string parameter (e.g., x). You can assume that x has even length. This function must create two strings such that the first string (e.g., y) is composed of all even numbered characters in x and the second string (e.g., z) is composed of all odd numbered characters in x. For example, if x = "abcdefgh" then y is "aceg" and z is "bdfh". Your function must return these strings (e.g., y and z). iii. Add a function named writefile() to your program that takes three strings as parameter, a filename and two scrambled strings (e.g., y and z), in this order. You function must write these strings y and z on separate lines in the file. This function does not return anything.

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
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Create a python code

i. Add a function named readfile() to your program that takes a string (filename) as the parameter. You can assume that this file contains a single string. Your function must read the file and return this string.

ii. Add a function named scramble() that takes a string parameter (e.g., x). You can assume that x has even length. This function must create two strings such that the first string (e.g., y) is composed of all even numbered characters in x and the second string (e.g., z) is composed of all odd numbered characters in x. For example, if x = "abcdefgh" then y is "aceg" and z is "bdfh". Your function must return these strings (e.g., y and z).

iii. Add a function named writefile() to your program that takes three strings as parameter, a filename and two scrambled strings (e.g., y and z), in this order. You function must write these strings y and z on separate lines in the file. This function does not return anything.

Docstrings and comments are not necessary.

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