jameslyons

# we need 2 helper mappings, from letters to ints and the inverse
L2I = dict(zip("ABCDEFGHIJKLMNOPQRSTUVWXYZ",range(26)))
I2L = dict(zip(range(26),"ABCDEFGHIJKLMNOPQRSTUVWXYZ"))

key = 3
plaintext = "DEFEND THE EAST WALL OF THE CASTLE"

# encipher
ciphertext = ""
for c in plaintext.upper():

lecho

<?xml version="1.0" encoding="utf-8"?>
<layer-list xmlns:android="http://schemas.android.com/apk/res/android" >

    <!-- Drop Shadow Stack -->
    <item>
        <shape>
            <padding
                android:bottom="1dp"
                android:left="1dp"
                android:right="1dp"