PYTHON!!!!!! Modify the scripts of Projects 1 and 2 to encrypt and decrypt entire files of text. Project 1: File: decrypt.py Project 4.3 Decypts a file of encrypted text. and prints the result. The other input is the distance value. """ code = raw_input("Enter the coded text: ") distance = input("Enter the distance value: ") plainText = '' for ch in code: ordValue = ord(ch) cipherValue = ordValue - distance if cipherValue < ord('a'): cipherValue = ord('z') - (distance - \ (ordValue - ord('a')) - 1) plainText += chr(cipherValue) print plainText Project 2: """ File: encrypt.py Project 4.3 Encypts a text file. The inputs are the names of the input file and the output file and the distance value. The encrypted code is witten to a new file. """ plainText = input("Enter a one-word, lowercase message: ") distance = int(input("Enter the distance value: ")) code = "" for ch in plainText: ordValue = ord(ch) cipherValue = ordValue + distance if cipherValue > ord('z'): cipherValue = ord('a') + distance - \ (ord('z') - ordValue + 1) code += chr(cipherValue) print(code) Enter the input file name: encrypted.txt Enter the output file name: a Enter the distan
PYTHON!!!!!! Modify the scripts of Projects 1 and 2 to encrypt and decrypt entire files of text. Project 1: File: decrypt.py Project 4.3 Decypts a file of encrypted text. and prints the result. The other input is the distance value. """ code = raw_input("Enter the coded text: ") distance = input("Enter the distance value: ") plainText = '' for ch in code: ordValue = ord(ch) cipherValue = ordValue - distance if cipherValue < ord('a'): cipherValue = ord('z') - (distance - \ (ordValue - ord('a')) - 1) plainText += chr(cipherValue) print plainText Project 2: """ File: encrypt.py Project 4.3 Encypts a text file. The inputs are the names of the input file and the output file and the distance value. The encrypted code is witten to a new file. """ plainText = input("Enter a one-word, lowercase message: ") distance = int(input("Enter the distance value: ")) code = "" for ch in plainText: ordValue = ord(ch) cipherValue = ordValue + distance if cipherValue > ord('z'): cipherValue = ord('a') + distance - \ (ord('z') - ordValue + 1) code += chr(cipherValue) print(code) Enter the input file name: encrypted.txt Enter the output file name: a Enter the distan
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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Question
PYTHON!!!!!!
Modify the scripts of Projects 1 and 2 to encrypt and decrypt entire files of text.
Project 1:
File: decrypt.py
Project 4.3
Decypts a file of encrypted text. and prints
the result. The other input is the distance value.
"""
code = raw_input("Enter the coded text: ")
distance = input("Enter the distance value: ")
plainText = ''
for ch in code:
ordValue = ord(ch)
cipherValue = ordValue - distance
if cipherValue < ord('a'):
cipherValue = ord('z') - (distance - \
(ordValue - ord('a')) - 1)
plainText += chr(cipherValue)
print plainText
Project 2:
"""
File: encrypt.py
Project 4.3
Encypts a text file. The inputs are the names of
the input file and the output file and the distance value.
The encrypted code is witten to a new file.
"""
plainText = input("Enter a one-word, lowercase message: ")
distance = int(input("Enter the distance value: "))
code = ""
for ch in plainText:
ordValue = ord(ch)
cipherValue = ordValue + distance
if cipherValue > ord('z'):
cipherValue = ord('a') + distance - \
(ord('z') - ordValue + 1)
code += chr(cipherValue)
print(code)
Enter the input file name: encrypted.txt
Enter the output file name: a
Enter the distance value: 3
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