Engineering, 03.12.2019 17:31 khanaamnaa539

1. using scheme higher-order function map to implement the string encryption and decrption. [10 points] 1.1 the encryption function must (1) take the encryption key (key can be between 1 and 4) from the keyboard using (read); and (2) encrypt alphabetic characters and digits only. [5] 1.2 the decryption function must (1) take the encryption key from the keyboard using (read) and (2) decrypt the string generated from your encryption func

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1. using scheme higher-order function map to implement the string encryption and decrption. [10 poin...

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