Numpy Shape

import numpy as np
a = np.array([1, 2, 4, 5])
print(a)
[1 2 4 5]

a
array([1, 2, 4, 5])

a.shape
(4,)

# change the shape

a.shape = (2, 2)
a
array([[1, 2],
       [4, 5]])

print(a)
[[1 2]
 [4 5]]

b = np.array([[1, 3, 5, 2, 4], [8, 6, 9, 7, 10]])
print(b)
[[ 1  3  5  2  4]
 [ 8  6  9  7 10]]

b.shape
(2, 5)

b.shape = (5, 2)
print(b)
[[ 1  3]
 [ 5  2]
 [ 4  8]
 [ 6  9]
 [ 7 10]]

b.shape = (10, 1)
print(b)
[[ 1]
 [ 3]
 [ 5]
 [ 2]
 [ 4]
 [ 8]
 [ 6]
 [ 9]
 [ 7]
 [10]]

# get the numebr of array dimension
print(b.ndim)
2