from data_reader import DataReader data_reader = DataReader("sums_in_loop.txt") data = data_reader.get_lines() print(data) cleared_lines = [] for line in data: line = line.lower() alpha_line = "" for index in range(0, len(line)): if line[index].isalpha(): alpha_line += line[index] cleared_lines.append(alpha_line) print(cleared_lines) palindromes_list = [] for cleared_line in cleared_lines: palindrome = "" index = len(cleared_line) - 1 while index > -1: palindrome += cleared_line[index] index -= 1 palindromes_list.append(palindrome) print(palindromes_list) if_palindrome = [] for index in range(0, (len(palindromes_list))): if palindromes_list[index] == cleared_lines[index]: