click all checkboxes with ids like ctl00_ContentPlaceHolder1_dtlDataJornalPublicacao_ctl00_chkDataJornalItem, ctl00_ContentPlaceHolder1_dtlDataJornalPublicacao_ctl01_chkDataJornalItem, ctl00_ContentPlaceHolder1_dtlDataJornalPublicacao_ctl02_chkDataJornalItem, and so on, all the way to ctl00_ContentPlaceHolder1_dtlDataJornalPublicacao_ctl99_chkDataJornalItem, stopping when a checkbox with a given number is not found

def click_checkboxes(start, end):
  i = start
  while True:
    try:
      browser.find_element_by_id("ctl00_ContentPlaceHolder1_dtlDataJornalPublicacao_ctl%02d_chkDataJornalItem" % i).click()
      i = i + 1
    except:
      print("Done with %d" % (i - 1))
      break

click_checkboxes(0, 99)