import string
string.ascii_lowercase
alphabet=list(string.ascii_lowercase)
i=2 
dictionary_alphabet={}
for letter in alphabet:
    dictionary_alphabet[letter]=i
    i+=2
print dictionary_alphabet

new_dict=[]

for key in dictionary_alphabet:
    print (key, dictionary_alphabet[key])
    new_dict[dictionary_alphabet[key]]=key

print new_dict
