def checkForTFirstChar(char):
    if char == 'p' or char == ' ':
        return char
    else:
        return None

def checkForTLastSymbol(char):
    interpunct = [',', '.', '!', '?', ' ', ')', ';', ':', '\t', '\n','-']
    for j in range(len(interpunct)):
        if char == interpunct[j]:
            return char
    return None

def whereIsPies(file):
    with open(file, "r", encoding="utf-8") as sampleCheck:
        line = 0
        lineCount = 0
        for row in sampleCheck:
            line += 1
            lastChar = ''
            word = ''
            for char in row.lower():

                if lastChar == '' or lastChar == ' ':
                    if char == 'p':
                        word+=char
                        lastChar = char

                elif lastChar == checkForTFirstChar(lastChar):
                    word+=char
                    lastChar = char

                elif len(word) == 2 and word[1] == 'i' and char == 'e':
                    word+=char
                    lastChar = char

                elif len(word) == 3 and word[2] == 'e' and char == 's':
                    word+=char
                    lastChar = char

                elif len(word) == 4 and word[3] == 's' and checkForTLastSymbol(char) == char:
                    word+=char
                    lastChar = char

                else:
                    word = ''
                    lastChar = ''

                if len(word) >= 5 and word[0] == checkForTFirstChar(word[0]) and word[1] == 'i' and word[2] == 'e' and word[3] == 's' and word[4] == checkForTLastSymbol(word[4]):
                    lineCount+=1
                    print(lineCount,'.',line )
                    break

file = 'polish_wiki_excerpt.in'
whereIsPies(file)