import string
alphabet = string.ascii_uppercase + " "

def histogram(text):
    occ = {}
    for ch in text:
        if ch != "\n":
            i = alphabet.index(ch)
            count = occ.get(i+1, 0) #zaehle von 1 an
            occ[i+1] = count + 1
    return occ
   
fInp = open("caesar-secret.txt")
krypto = fInp.read()
fInp.close() 

print "Krypto:\n", krypto
msg = histogram(krypto)
print "Häufigkeiten:\n"

print(msg)