import itertools

alphabet = "ЗИМА"

con = "ЗМ"

vol = "ИА"

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 con and e[-1] in vol:

count += 1

print(count)

count = 0

for i1 in 'ЗИМА':

for i2 in 'ЗИМА':

for i3 in 'ЗИМА':

for i4 in 'ЗИМА':

for i5 in 'ЗИМА':

s = i1 + i2 + i3 + i4 + i5

if (s[0] == 'З' or s[0] == 'М') and (s[4] == 'И' or s[4] == 'А'):

count += 1

print(count)

from itertools import product

count = 0

for i in product('ЗИМА', repeat=5):

s = ''.join(i)

if (s[0] == 'З' or s[0] == 'М') and (s[4] == 'И' or s[4] == 'А'):

count += 1

print(count)

from itertools import *

words = [''.join(i) for i in product(sorted('ЗИМА'), repeat=5) if (i[0] in 'ЗМ') and (i[-1] in 'ИА')]

print(len(words))

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 and e[-1] in con:

count += 1

print(count)

from itertools import product

count = 0

for i in product('ГОД', repeat=6):

if i[0] != 'О' and i[5] != 'О':

count += 1

print(count)

from itertools import product

s='метро'

s0='мтр'

s3='ео'

words=[]

for w in product(s,repeat=4):

if (w[0] in s0) and (w[3] in s3):

words.append(w)

print(len(words))

import itertools

alphabet = "МЕТРО"

con = "МТР"

vol = "ЕО"

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

arl = []

for i in ar:

arl.append(list(i))

count = 0

for e in arl:

if e[0] in con and e[-1] in vol:

count += 1

print(count)