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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 array_has_real_numbers(array):
 """ Uses the dtype kind of the numpy array to determine if it represents real numbers. That is, the array kind should be one of: i u f Possible dtype.kind values. b 	boolean i 	signed integer u 	unsigned integer f 	floating-point c 	complex floating-point m 	timedelta M 	datetime O 	object S 	(byte-)string U 	Unicode V 	void """

    kind = array.dtype.kind
    assert kind in 'biufcmMOSUV', "Unexpected array kind: {}".format(kind)
    return kind in 'iuf'