import string def caesor(): a= 'PXEVHFX MH MAX ATVDBGZ PHKEW' letters = string.ascii_lowercase for i in range(1, len(letters)+1): result = '' for j in a: #print(i) tmp = chr(i+ord(j)) if tmp > 'Z': tmp = chr(ord(tmp) - len(letters)) result += tmp print(result) def mono_alphabatic(): enc = 'AKVP RPTSI CKIT UPVT' key = 'SECRETWORLD' dic = dict() count = 97 last = 0 for i in key: if dic.get(i): con..