Using Python def atbash_encrypt():alphareverse_alpha = 'ZYXWVUTSRQPONMLKJIHGFEDCBA'input_stringoutput_stringfor character in input_string:= 'ABCDEFGHIJKLMNOPQRSTUVWXYZ'= input ('Enter string: ')output (alpha, reverse_alpha, character)if reverse == None:output_string = None%3Dbreakelse:output_string += reverseprint('Reverse string:', output_string)def atbash_decrypt(crypto):alpha ='ABCDEFGHIJKLMNOPQRSTUVWXYZ'reverse_alpha ='ZYXWVUTSRQPONMLKJIHGFEDCBA'crypto = crypto.upper()%3Dmessage =for character in crypto:if character in reverse_alpha:= reverse_alpha.find(character)message = message + alpha[character_index]else:message = message + characterreturn message • Add a function atbash_wrapper()- It should take two input parameters: input_string and method· Within the function:o if method ='encrypt', use atbash_encrypt() with input_string as theinput to the function, returning, the outputo if method'decrypt', use atbash_decrypt() with input_string as theinput to the function, returning the outputo if method is anything other than these two specific strings, the function shouldreturn the string "Expecting method to be either 'encrypt' or 'decrypt".• Add a test function test_atbash_wrapper()· This test should contain at least three asserts

Encryption is the technique of converting plaintext or a normal message into decrypted message…

• Add a function atbash_wrapper() · It should take two input parameters: input_string and method · Within the function: o if method = 'encrypt',use atbash_encrypt() with input_string as the input to the function, returning, the output o if method = 'decrypt', use atbash_decrypt() with input_string as the input to the function, returning the output o if method is anything other than these two specific strings, the function should return the string "Expecting method to be either 'encrypt' or 'decrypt". • Add a test function test_atbash_wrapper().

• Add a function atbash_wrapper() · It should take two input parameters: input_string and method · Within the function: o if method = 'encrypt',use atbash_encrypt() with input_string as the input to the function, returning, the output o if method = 'decrypt', use atbash_decrypt() with input_string as the input to the function, returning the output o if method is anything other than these two specific strings, the function should return the string "Expecting method to be either 'encrypt' or 'decrypt". • Add a test function test_atbash_wrapper().

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

Problem 1PE

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