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Solve the following problem using Python, implementing the functions described below, one line at a time
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Description:
 def check_css_selectors(webdriver, *selectors):
 """Returns true if all CSS selectors passed in is found. This can be used to quickly validate a page. Args: webdriver (Webdriver) : Selenium Webdriver instance selectors (str) : N number of CSS selectors strings to match against the page. Returns: True, False - if the page matches all selectors. Usage Example:: # Checks for a Form with id='loginForm' and a button with class 'login' if not PageObjectUtils.check_css_selectors("form#loginForm", "button.login"):
 raise InvalidPageError("This is not the login page.") You can use this within a PageObject's `_validate_page(webdriver)` method for validating pages. """

        for selector in selectors:
            try:
                webdriver.find_element_by_css_selector(selector)
            except:
                return False  # A selector failed.

        return True