Write a Python program to implement DES as per below input$/$output$.$Program should take user input and give output as per below test cases.

case$=1$

input$=0123456789$ABCDEF $($plaintext$)$

$133457799$BBCDFF$1($Key$)$

output$=85$E$813540$F$0$AB$405($ciphertext$)$

case$=2$

input$=4$e$45565251554954$

$4$b$41534849534142$

output$=763549$d$38$b$570$c$0$e