Question: * * * * * * * * * Note : Please don't import any library file. I am writinh my code in my institute's

* * * * * * * * *

Note : Please don't import any library file. I am writinh my code in my institute's portal that don't have inport file provision. So please consider this while writing the code.

* * * * * * * * * * * * * * *

Write Python code to implement DES.Program should take user input and give output as per below test cases.

case

= 1

input

= 0123456789

ABCDEF

(

plaintext

)

133457799

BBCDFF

1 (

Key

)

output

= 85

813540

0

405 (

ciphertext

)

case

= 2

input

= 4

45565251554954

4

41534849534142

output

= 763549

38

570

0

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