September 2014
Intermediate to advanced
332 pages
6h 48m
Japanese
Content preview from Python文法詳解
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106
第 4 章 シーケンスとコンテナ型
f
、
F
浮動小数点数を固定小数点表記（
0.100000
）に変換します。
F
の場合は、アルファベットを大
文字で表記します。変換フラグとして代替形式（
#
）を指定した場合は、小数点以下に表示す
る数字がなくとも、かならず小数点を出力します。
g
、
G
値によって、指数表記か固定小数点表記に変換します。値が精度として指定した桁数で表示可
能で、指数が
-4
以上なら、固定小数点形式に変換します。それ以外なら、指数表記に変換し
ます。変換フラグとして代替形式（
#
）を指定した場合は、小数点以下に表示する数字がなく
とも、かならず小数点を出力します。
c
整数値、または一文字の文字列を指定します。整数値の場合、その値がコードポイントとなる
Unicode
文字に変換します。
r
オブジェクトを
repr()
で文字列に変換します。
s
オブジェクトを
str()
で文字列に変換します。
a
オブジェクトを
ascii()
で文字列に変換します。
%
変換は行わず、
%
文字を挿入します。
4.5.5
文字の列挙
文字列はイテラブルオブジェクトで、リストやタプルと同じように、文字列内の文字を一文字ず
つ列挙できます。
>>> for c in 'abc': #
一文字ずつループ
... print(c)
...
a
b
c
>>> x,y,z = '
' #
ス
->x,
パ
->y,
ム
->z
>>> x,y,z
('
ス
', '
パ
', '
ム
')
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I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.