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アルファベット順で指定のアルファベットを「何番目」かを出力する

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何度かアルファベットの取り扱いがあったので、メモとして残します。

1.アルファベットを変数に代入

import string

alphabets = string.ascii_uppercase
alphabets
# ABCDEFGHIJKLMNOPQRSTUVWXYZ

2.str.index()でインデックス番号を取得

alphabets.index("D") + 1
# 4

3.typeを調べる

type(alphabets)
# str
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