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

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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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