shift = raw_input ("Enter a value to shift the alphabet by... ")

alphaDict = {}

alphaList = ['a','b','c','d','e','f','g','h','i','j','k','l','m','n','o','p','q','r','s','t','u','v','w','x','y','z']

for shift in alphaList:

    alphaList.append (alphaDict)

alphaDict = 'a'

alphaDict = chr(ord( What value would go here? + 1)

letter = "A"
 letter = chr(ord(letter) + 1)
 # letter is now "B"

def caesar(s, k, decode = False):
    if decode: k = 26 - k
    return "".join([chr((ord(i) - 65 + k) % 26 + 65)
                for i in s.upper()
                if ord(i) >= 65 and ord(i) <= 90 ])

msg = "The quick brown fox jumped over the lazy dogs"
print msg
enc = caesar(msg, 11)
print enc
print caesar(enc, 11, decode = True)

print "Enter senctence: "
sentence = raw_input()
print "Enter shift: "
shift = raw_input()
result = ""
for letter in sentence:
  ascii = (ord(letter) + int(shift))%123
  if ascii < 97:
    ascii = ascii + 97
  result = result + chr(ascii)

print result

import string # import library

try:
    shift = int(raw_input ('Enter a value to shift the alphabet by... ')) # set amount of shift
except ValueError: # if an integer is not entered
    print 'You must enter an integer!'
table = string.maketrans(string.lowercase, string.lowercase[shift:]+string.lowercase[:shift]) # make a translation table from abc...xyz shifted letters
text = raw_input('Enter Text: ') # get input
print text.translate(table); # print translation

import string # import library

try:
    shift = int(raw_input ('Enter a value to shift the alphabet by... ')) # set amount of shift
except ValueError: # if an integer is not entered
    print 'You must enter an integer!'
table = string.maketrans(string.lowercase, string.lowercase[shift:]+string.lowercase[:shift]) # make a translation table from abc...xyz shifted letters
print text.translate(string.lowercase); # print translation