Doubt in np.unique

#1

what is the meaning of dtype=int64?

#2

Hi @silpasweta,
dtype=int64 is basically the data type of the numpy array, which it clearly says int.
and here 64 is bit size.
that is this variable can store values upto 2^64

range: int64 - Integer(-9223372036854775808 to 9223372036854775807)