Day 1 part 2 python

somma=0
d={'one':'1','two':'2','three':'3','four':'4','five':'5','six':'6','seven':'7','eight':'8','nine':'9','1':'1','2':'2','3':'3','4':'4','5':'5','6':'6','7':'7','8':'8','9':'9'}
with open("input") as file:
    data = file.read().splitlines()
    for line in data:
        f = dict.fromkeys(d.keys(), 0)
        rf = dict.fromkeys(d.keys(), 0)
        for c in d.keys():
            f[c] = line.find(c) if line.find(c) != -1 else 100000
            rf[c] = line.rfind(c)
        #primacifra = d[min(f, key=f.get)]
        #secondacifra = d[max(rf, key=rf.get)]
        somma+=10*int(d[min(f, key=f.get)])+int(d[max(rf, key=rf.get)])
print(somma)