文字列や配列の順番を反転させたい時ありますよね。
そういう時は次のようにすると反転できます。
以下サンプル
lang:reverse.py
alpha = "abcdefghijklmnopqrstuvwxyz"
alpha = alpha[::-1]
print alpha
zyxwvutsrqponmlkjihgfedcba
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