exercise 9.7 - puzzler_1

"""================

exercise 9.7

==============="""

def puzzler_1 (word):

    index = 0

    consecutive_dbl_ltr = 0

    

    while index < len(word)-1:

        current_char = word[index]

        next_char = word[index+1]

        if current_char == next_char:

            consecutive_dbl_ltr += 1

            index = index + 2

        else:

            consecutive_dbl_ltr = 0

            index += 1

        if consecutive_dbl_ltr == 3:

            return True

    #end while loop

    return False

# end puzzler_1 (word)

#print puzzler_1("ddeeff")

#print puzzler_1("pocahontas")

#print puzzler_1("abcddeeffghij")

fin = open('words.txt')

for line in fin:

    word = line.strip()

    if puzzler_1(word):

        print word