import numpy as np

a = np.array([1.,2.,3.])
print(a.shape)
b = np.array([[1.,2.,3.]])
print(b.shape)

#[output]:
#(3,)
#(1, 3)

#dtype-> It will let you know about the data type of stored values in the array.
print(a.dtype)

#[Output]:
#float64

#type-> It will return the type of object associated with the variable
print(type(a))

#[Output]:
#<class 'numpy.ndarray'>