def getAllAfterLastChar(string1, lastChar):
    """ Return a substring of string1, where the content of the substring is everything after the last occurence of lastChar in the input string.
    
        Args:
            string1: the input string
            lastChar: the character after which last occurence the subset will be returned
            
        Returns: he substring  containing everything after the last occurence of lastChar in the input string
     """
    return string1[string1.rfind(lastChar)+len(lastChar):]