# python append()與extend()的差別

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## python-append()&extend()的差別

* append()
>說明:
>把字串或陣列拼接到陣列最後面的位置

box1=['apple','orange','purple']
box_2=['產地']
box_3='日期'
box1.append(box_2)
box1.append(box_3)
print(box1)

>Output:['apple', 'orange', 'purple', ['產地'], '日期']

* extend()

>說明:
>把資料撈出來

import pandas as pd 
box1=['apple','orange','purple']
box_2=['產地']
box_3='日期'
box1.extend(box_2)
box1.extend(box_3)
print(box1)

>Output:['apple', 'orange', 'purple', '產地', '日', '期']