Polybius | Python Fiddle

myPolybius={11:'A',12:'B',13:'C',14:'D',15:'E',\
            21:'F',22:'G',23:'H',24:'I',25:'K',\
            31:'L',32:'M',33:'N',34:'O',35:'P',\
            41:'Q',42:'R',43:'S',44:'T',45:'U',\
            51:'V',52:'W',53:'X',54:'Y',55:'Z'}
myPolybiusR=dict([v,k] for [k,v] in myPolybius.items())

def strip1(wort):
    result=''
    for bs in wort:
        if bs not in result:
            result=result+bs
    return result
def strip2(wort):
    result=''
    for k in range(65,91):
        if chr(k) not in wort:
            result=result+chr(k)
    return result

def preCode(key):
    w1=(strip1(key)+strip2(key)).replace('J','I')
    return w1

def mkConverter(key):
    L=[[chr(x),'#']for x in range(65,91)]
    clearKey=strip1(key)
    rest=strip2(clearKey)
    gAlphabet=list(clearKey+rest)
    for k in range(26):
        L[k][1]=gAlphabet[k]
    return L

def fixPhrase(zk):
    zk=zk.upper()
    zk=zk.replace('J','I')
    res=''
    for bs in zk:
        if ord(bs)>64 and ord(bs)<91:
            res=res+bs
    return res

def encode(botschaft,wbuch):
    botschaft=fixPhrase(botschaft)
    chiffrat=''
    for bs in botschaft:
        chiffrat=chiffrat+str(wbuch[bs])
    return chiffrat    
    
def decode(chiffre,wbuch):
    res=''
    while not chiffre=='':
        ch=chiffre[0:2]
        chiffre=chiffre[2:]
        res=res+wbuch[int(ch)]
    return res    
    
def schreibeDatei(datei,text):
    f=open(datei,'w')
    f.write(text)
    f.close()

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