code: def wait_for_element_visible(driver, selector, by=By.CSS_SELECTOR,
                               timeout=settings.LARGE_TIMEOUT):
      
  
      element = None
      start_ms = time.time() * 1000.0
      stop_ms = start_ms + (timeout * 1000.0)
      for x in range(int(timeout * 10)):
          try:
              element = driver.find_element(by=by, value=selector)
              if element.is_displayed():
                  return element
              else:
                  element = None
                  raise Exception()
          except Exception:
              now_ms = time.time() * 1000.0
              if now_ms >= stop_ms:
                  break
              time.sleep(0.1)
      plural = "s"
      if timeout == 1:
          plural = ""
      if not element and by != By.LINK_TEXT:
          raise ElementNotVisibleException(
              "Element {%s} was not visible after %s second%s!" % (
                  selector, timeout, plural))
      if not element and by == By.LINK_TEXT:
          raise ElementNotVisibleException(
              "Link text {%s} was not visible after %s second%s!" % (
                  selector, timeout, plural))
docs: Searches for the specified element by the given selector. Returns the
      element object if the element is present and visible on the page.
      Raises an exception if the element does not appear in the
      specified timeout.
      @Params
      driver - the webdriver object (required)
      selector - the locator that is used (required)
      by - the method to search for the locator (Default: By.CSS_SELECTOR)
      timeout - the time to wait for elements in seconds
  
      @Returns
      A web element object