Computer Science encryption Problem. Please refer to thismessage before you do anything it will help complete theproblem
“For all the remaining questions, we will workwith the following toy encryption scheme. It encrypts plaintextsthat consist of only uppercase letters and the underscore character(27 characters total):
ABCDEFGHIJKLMNOPQRSTUVWXYZ_
Note that the underscore character is part of the alphabetand will also be encrypted. A key in this scheme consists of 4digits, each from 0 to 9. Each digit tells how much toshift one character, that is, change it to the characterthat many positions later in the alphabet. If the shift goes past’_’, then we wrap around
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