def is_int(x):

if int(x) == x:

return True

else:

return False

def digit_sum(n):

sum = 0

for num in str(n):

sum += int(num)

return sum

def factorial(x):

if x == 0:

return 1

else:

return x * factorial(x-1)

def is_prime(n):

if n == 2 or n == 3: return True

if n < 2 or n%2 == 0: return False

if n < 9: return True

if n%3 == 0: return False

r = int(n**0.5)

f = 5

while f <= r:

print '\t',f

if n%f == 0: return False

if n%(f+2) == 0: return False

f +=6

return True

def reverse(text):

rev = ''

for i in range(len(text), 0, -1):

rev += text[i-1]

return rev

def anti_vowel(text):

newtext=text

for i in text:

if i in "aeiouAEIOU":

newtext = newtext.replace(i, "")

return newtext

score = {"a": 1, "c": 3, "b": 3, "e": 1, "d": 2, "g": 2,

"f": 4, "i": 1, "h": 4, "k": 5, "j": 8, "m": 3,

"l": 1, "o": 1, "n": 1, "q": 10, "p": 3, "s": 1,

"r": 1, "u": 1, "t": 1, "w": 4, "v": 4, "y": 4,

"x": 8, "z": 10}

def scrabble_score(word):

total = 0

for i in word:

total += score[i.lower()]

return total