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深入淺出程式設計
book

深入淺出程式設計

by David Griffiths, Paul Barry
August 2011
Intermediate to advanced
444 pages
8h 55m
Chinese
GoTop Information, Inc.
Content preview from 深入淺出程式設計
138 第四章
好好整理
做什麼
方法
這些都是陣列的內建方法。看看你是否能夠將方法名稱與它在做什
麼關聯起來。連連看吧,我們已經幫你做好一個了:
解答
count()
將陣列排序成特定順序( )
extend()
移除及回傳最後一個陣列項目
index()
在任何索引位置增加陣列項目
insert()
尋找陣列項目並且回傳其索引值
pop()
逆轉陣列的順序
remove()
告訴你某個值出現在陣列中多少次
reverse()
將一序列項目增加到陣列中
sort()
移除及回傳第一個陣列項目
你找出兩個方法,依照需要的順序排序資料。
sort()
reverse()
方法看起來最有用。先以
sort()
排序資料,再以
reverse()
反轉順序,因為
sort()
的預設順序是由低到高,跟你要的結
果剛好相反。
頭腦體操
解答
ch04.indd 138 2011/8/6 上午 02:30:58
目前位置 4 139
檔案與陣列裡的資料
boxes
由高到低排序陣列
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Publisher Resources

ISBN: 9789862762691