Returns a bool array, where True if input element is real.
If element has complex type with zero complex part, the return value for that element is True.
| Parameters : | x : array_like 
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|---|---|
| Returns : | out : ndarray, bool 
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Examples
>>> np.isreal([1+1j, 1+0j, 4.5, 3, 2, 2j])
array([False,  True,  True,  True,  True, False], dtype=bool)