The difference between python arrays and lists

The difference between python arrays and lists:

list does not have all the attributes of array (such as dimensions, transposition, etc.).

Code: (Recommended learning: Python video tutorial)

#eg1_1
import numpy as np
a = np.array([[1,2,0,1],[1,6,9,55],[7,8,9,5]])#a为数组
print(a.T)
 
#Result：
[[ 1  1  7]
 [ 2  6  8]
 [ 0  9  9]
 [ 1 55  5]]
 
#eg1_2
a = [[1,2,0,1],[1,6,9,55],[7,8,9,5]] #a为列表
print(a.T)
 
#Result：
'list' object has no attribute 'T'

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