import itertools

alphabet = "ЕГЭ"

vol = "ЕЭ"

ar = itertools.product(alphabet, repeat = 5) #Раз­ме­ще­ние с по­вто­ре­ни­ем

arl = []

for i in ar:

arl.append(list(i))

count = 0

for e in arl:

if e[0] in vol:

count += 1

print(count)

from itertools import *

cnt = 0

for per in product('ЕГЭ', repeat=5):

slovo = ''.join(per)

if slovo[0] in 'ЕЭ':

cnt += 1

print(cnt)

from itertools import product

print([m[0] != 'Г' for m in product('ЕГЭ', repeat=5)].count(True))

import itertools

alphabet = "ЛЕТО"

con = 'ЛТ'

ar = itertools.product(alphabet, repeat=4) #Раз­ме­ще­ние с по­вто­ре­ни­я­ми

arl = []

for i in ar:

arl.append(list(i))

count = 0

for e in arl:

if e[0] in con:

count += 1

print(count)

import itertools

alphabet = "ГОД"

con = "ГД"

ar = itertools.product(alphabet, repeat=6) #Раз­ме­ще­ние с по­вто­ре­ни­ем

arl = []

for i in ar:

arl.append(list(i))

count = 0

for e in arl:

if e[0] in con:

count += 1

print(count)