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How to apply this python code? def encrypt_text(text, key):     encrypted_text = ''          # insert your code here #               return encrypted_text text = input() key = input() print(encrypt_text(text, key))

How to apply this python code? def encrypt_text(text, key):     encrypted_text = ''          # insert your code here #               return encrypted_text text = input() key = input() print(encrypt_text(text, key))

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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How to apply this python code?

def encrypt_text(text, key):
    encrypted_text = ''
    
    # insert your code here #
    
    
    return encrypted_text

text = input()
key = input()

print(encrypt_text(text, key))

Complete the given function, encrypt_text that encrypts the variable text using the provided key by applying a modified version of Caesar's Cipher with the following rules: • The key will contain a word made up of the letters 'u' and 'd'. The cipher will use the key to determine the direction of the shift, with a 'u' indicating that the character must be shifted upwards while a 'd' indicating a downward shift. The number of characters in the key will determine the number of positions to shift. • The given text variable will only contain characters from the ASCII table with values between 32 and 126. If the key is invalid (empty string, contains characters other than u and d) or the text is invalid (empty string), no encryption occurs and the function returns the original text. • If the text has more characters than the key, the key will loop through again to accommodate the additional text characters. • An iterative approach should be used to solve this problem. Brute force solutions will not be accepted.
Transcribed Image Text:Complete the given function, encrypt_text that encrypts the variable text using the provided key by applying a modified version of Caesar's Cipher with the following rules: • The key will contain a word made up of the letters 'u' and 'd'. The cipher will use the key to determine the direction of the shift, with a 'u' indicating that the character must be shifted upwards while a 'd' indicating a downward shift. The number of characters in the key will determine the number of positions to shift. • The given text variable will only contain characters from the ASCII table with values between 32 and 126. If the key is invalid (empty string, contains characters other than u and d) or the text is invalid (empty string), no encryption occurs and the function returns the original text. • If the text has more characters than the key, the key will loop through again to accommodate the additional text characters. • An iterative approach should be used to solve this problem. Brute force solutions will not be accepted.
Sample Input 0 Hello World udd Sample Output 0 Kbiol|Zlooa Sample Input 1 abracadabra uu Sample Output 1 cdtcecfcdtc
Transcribed Image Text:Sample Input 0 Hello World udd Sample Output 0 Kbiol|Zlooa Sample Input 1 abracadabra uu Sample Output 1 cdtcecfcdtc
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