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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 keywords_special_characters(keywords):
 """ Confirms that the keywords don't contain special characters Args: keywords (str) Raises: django.forms.ValidationError """

    invalid_chars = '!\"#$%&\'()*+-./:;<=>?@[\\]^_{|}~\t\n'
    if any(char in invalid_chars for char in keywords):
        raise ValidationError(MESSAGE_KEYWORD_SPECIAL_CHARS)