docs: def post(url, var):
      """Post data to an url."""
      data = {b[0]: b[1] for b in [a.split("=") for a in var]}
      writeln("Sending data to url", url)
      response = requests.post(url, data=data)
      if response.status_code == 200:
          writeln(response.text)
      else:
          writeln(str(response.status_code), response.reason)