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Help convert/show this code to Jupyter Notebook. Comments added in the code is appreciated

Help convert/show this code to Jupyter Notebook. Comments added in the code is appreciated

Database System Concepts
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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Help convert/show this code to Jupyter Notebook. Comments added in the code is appreciated

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def problem_1(plaintext, shift):
    ciphertext = ""
    while isinstance(int(shift), int) == False:
        # asking the user to reenter the shift value
        shift = input("Please enter your key (integers only!): ")
    shift = int(shift)
    new_ind = 0 # this value will be changed later
    for i in plaintext:
        if i.lower() in alphabet:
            new_ind = alphabet.index(i) + shift
            ciphertext += alphabet[new_ind % 26]
        else:
            ciphertext += i    
    print("The ciphertext is: " + ciphertext)

plaintext = input("Please enter your plaintext: ")
shift = input("Please enter your key: ")
alphabet = "abcdefghijklmnopqrstuvwxyz"
problem_1(plaintext, shift)
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