# -*- coding: utf-8 -*-

def calculate(k, phrase, text):
    result = []
    for start in range(len(text)):
        to_compare = ''
        for phrase_index in range(len(phrase)):
            if start + phrase_index * k < len(text):
                to_compare += text[start + phrase_index * k]
        print str(start) + ' ' + phrase + '!=' + to_compare
        if phrase == to_compare:
            result.append({'start': start, 'k' : k, 'phrase': phrase})
    return result

text = u'zbadawszyplikeksperciorzekli'
phrase = u'pies'

result = calculate(k=2, phrase=phrase, text=text)
print result