import pathlib here = pathlib.Path(__file__).parent file_readme = here / '../../readme.md' with open(file_readme, 'r') as read_readme: content = read_readme.readlines() CHECKER = "Content about:" def trailing_slash() -> str: """ Looks for backslash and the end of all the matching lines ("Content about:" lines). """ result = ["🟢 0: perfect."] for line, value in enumerate(content): if CHECKER in value: last = value[-2] if last != "\\": if last == " ": content[line] = f"{value[:-1]}\\\n" else: content[line] = f"{value[:-1]} \\\n" with open(file_readme, 'w') as write_readme: write_readme.writelines(content) result.append(f"🔴 {line}: backslash. Fixed.") if len(result) > 1: return '\n'.join(result[1:]) else: return ''.join(result)