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Sw)	aiReturn whether or not given value is a valid generic card number.

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    [1]: https://github.com/mmcloughlin/luhn

    Examples:
        >>> card_number('4242424242424242')
        # Output: True
        >>> card_number('4242424242424241')
        # Output: ValidationError(func=card_number, args={'value': '4242424242424241'})

    Args:
        value:
            Generic card number string to validate

    Returns:
        (Literal[True]): If `value` is a valid generic card number.
        (ValidationError): If `value` is an invalid generic card number.
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Return whether or not given value is a valid Visa card number.

    Examples:
        >>> visa('4242424242424242')
        # Output: True
        >>> visa('2223003122003222')
        # Output: ValidationError(func=visa, args={'value': '2223003122003222'})

    Args:
        value:
            Visa card number string to validate

    Returns:
        (Literal[True]): If `value` is a valid Visa card number.
        (ValidationError): If `value` is an invalid Visa card number.
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Return whether or not given value is a valid Mastercard card number.

    Examples:
        >>> mastercard('5555555555554444')
        # Output: True
        >>> mastercard('4242424242424242')
        # Output: ValidationError(func=mastercard, args={'value': '4242424242424242'})

    Args:
        value:
            Mastercard card number string to validate

    Returns:
        (Literal[True]): If `value` is a valid Mastercard card number.
        (ValidationError): If `value` is an invalid Mastercard card number.
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Cr)aReturn whether or not given value is a valid American Express card number.

    Examples:
        >>> amex('378282246310005')
        # Output: True
        >>> amex('4242424242424242')
        # Output: ValidationError(func=amex, args={'value': '4242424242424242'})

    Args:
        value:
            American Express card number string to validate

    Returns:
        (Literal[True]): If `value` is a valid American Express card number.
        (ValidationError): If `value` is an invalid American Express card number.
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Return whether or not given value is a valid UnionPay card number.

    Examples:
        >>> unionpay('6200000000000005')
        # Output: True
        >>> unionpay('4242424242424242')
        # Output: ValidationError(func=unionpay, args={'value': '4242424242424242'})

    Args:
        value:
            UnionPay card number string to validate

    Returns:
        (Literal[True]): If `value` is a valid UnionPay card number.
        (ValidationError): If `value` is an invalid UnionPay card number.
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S)aReturn whether or not given value is a valid Diners Club card number.

    Examples:
        >>> diners('3056930009020004')
        # Output: True
        >>> diners('4242424242424242')
        # Output: ValidationError(func=diners, args={'value': '4242424242424242'})

    Args:
        value:
            Diners Club card number string to validate

    Returns:
        (Literal[True]): If `value` is a valid Diners Club card number.
        (ValidationError): If `value` is an invalid Diners Club card number.
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Return whether or not given value is a valid JCB card number.

    Examples:
        >>> jcb('3566002020360505')
        # Output: True
        >>> jcb('4242424242424242')
        # Output: ValidationError(func=jcb, args={'value': '4242424242424242'})

    Args:
        value:
            JCB card number string to validate

    Returns:
        (Literal[True]): If `value` is a valid JCB card number.
        (ValidationError): If `value` is an invalid JCB card number.
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Return whether or not given value is a valid Discover card number.

    Examples:
        >>> discover('6011111111111117')
        # Output: True
        >>> discover('4242424242424242')
        # Output: ValidationError(func=discover, args={'value': '4242424242424242'})

    Args:
        value:
            Discover card number string to validate

    Returns:
        (Literal[True]): If `value` is a valid Discover card number.
        (ValidationError): If `value` is an invalid Discover card number.
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