...ven

clean_text = []
for line in full_text:
    cleaned_line = (
        line.replace("–", "-")
        .replace("„", '"')
        .replace("“", '"')
        .replace("’", "'")
        .replace("…", "...")
        .replace("•", "-")
        .replace("ä", "ae")
        .replace("ö", "oe")
        .replace("ü", "ue")
        .replace("Ä", "Ae")
        .replace("Ö", "Oe")
        .replace("Ü", "Ue")
  ...