[問題] list 的 index
list = ["1.jpg","2.jpg","3.bmp"]
for file in list:
print "Convert ",file,"to bmp"
假設我有一個程式,要把所有jpg轉成bmp
希望順便把檔名list改掉
變成
list = ["1.bmp","2.bmp","3.bmp"]
請問這要怎麼寫呢?
或是,我要怎麼知道我現在在list的第幾個位置?
謝謝
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