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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