from itertools import product

count = 0

for p in product("КОН­ФЕ­ТА", repeat=5):

if p.count("Е") == 2 and p[1]!="Ф":

count+=1

print(count)

a = {0: "К", 1: "О", 2: "Н", 3: "Ф", 4: "Е", 5: "Т", 6: "А"}

count = 0

for i in range(0, len(a)):

for j in range(0, len(a)):

for g in range(0, len(a)):

for m in range(0, len(a)):

for n in range(0, len(a)):

s = a[i] + a[j] + a[g] + a[m] + a[n]

if a[j] != 'Ф' and s.count('Е') == 2:

count += 1

print(count)

from itertools import product

print(len([p for p in product('КОН­ФЕ­ТА',repeat = 5) if p.count('Е') == 2 and p[1] != 'Ф']))