Задача ЕГЭ номер 8

a = "парабола"
c = 0
for l1 in a:
  for l2 in a:
    for l3 in a:
      for l4 in a:
        for l5 in a:
          for l6 in a:
            for l7 in a:
              for l8 in a:
                w = l1 + l2 + l3 + l4 + l5 + l6 + l7 + l8
                for i in range(9):
                  if w.count("п") == 1 and w.count("а") == 3 \
and w.count("р") == 1 and w.count("б") == 1 and \
w.count("о") == 1 and w.count("л") == 1 and ((w[i] == "а" or w[i] == "о") \
and (w[i+1] != "а" or w[i+1] != "о") or (w[i] in ["п", "р", "б", "л"] \
and w[i+1] not in ["п", "р", "б", "л"])):                    
                  c += 1 
print(c)

from itertools import permutations
 
def check(w):
    s=set(('п','р','б','л'))
    g=set(('о','а'))
    s1=set(w[0::2])
    s2=set(w[1::2])
    return (s1==s and s2==g) or (s1==g and s2==s) 
 
s="парабола"
perms=list(permutations(list(s)))
 
c=0
for x in perms:
    if check(x):
        c=c+1
        #print("".join(x))
print(c)

from itertools import permutations
 
def check(w):
    s=set(('п','р','б','л'))
    g=set(('о','а'))
    s1=set(w[0::2])
    s2=set(w[1::2])
    return (s1==s and s2==g) or (s1==g and s2==s) 
 
s="парабола"
perms=list(permutations(list(s)))
 
c=set()
for x in perms:
    if check(x):
        c.add(x)
print(len(c))

from itertools import*
k=0
for x in set(permutations('ПАРАБОЛА',r=8)):
    s=''.join(x)
    for g in 'ОА':s=s.replace(g,'А')
    for sg in 'ПРБЛ':s=s.replace(sg,'П')
    if 'ПП' not in s and 'АА' not in s:
        k+=1
print(k)

from itertools import permutations
 
def check(w):
    s=set(('п','р','б','л'))
    g=set(('о','а'))
    s1=set(w[0::2])
    s2=set(w[1::2])
    return (s1==s and s2==g) or (s1==g and s2==s) 
 
s="парабола"
perms=list(permutations(list(s)))
 
res=[]
 
for x in perms:
    if check(x):
        if not (x in res):
            res.append(x)
print(len(res))