2020年12月22日 星期二

更新 list array 內容


=========list 更新內容 =====
list01=["apple","banan","cherry","durian","eggplant","fig"]
print(list01)
list01[2]=888
print(list01)

結果
['apple', 'banan', 'cherry', 'durian', 'eggplant', 'fig']
['apple', 'banan', 888, 'durian', 'eggplant', 'fig']


============array 更新內容 =====
from array import *
array01=array("i",[1,2,3,4,5,6,7])
print(array01)
array01[2]=999
print(array01)

結果
['apple', 'banan', 'cherry', 'durian', 'eggplant', 'fig']
['apple', 'banan', 888, 'durian', 'eggplant', 'fig']

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二維陣列(2d array) matrix

import numpy as np fru_items=[["apple","banana","cherry","durian","eggplant","fig...