2020年12月22日 星期二

array list index


===== 搜尋array元素====
from array import *
array01=array("i",[1,2,3,4,5,6,7])
print(array01)
print(array01.index(6))

結果
array('i', [1, 2, 3, 4, 5, 6, 7])
5



===== 搜尋list元素====
list01=["apple","banan","cherry","durian","eggplant","fig"]
a=list01.index("apple")
print(list01)
print(a)

結果
['apple', 'banan', 'cherry', 'durian', 'eggplant', 'fig']
0

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二維陣列(2d array) matrix

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