August 2025
Intermediate
216 pages
5h 41m
Japanese
Content preview from Pythonレベルアップドリル 初心者から一歩進むための厳選問題集
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★★★★
2つの正の整数a、bが改行区切りで入力されるので、aとbを掛け算した数値を
出力してください。
入力される値
次の形式で標準入力によって、1行目で整数 a、2 行目で整数bが与えられます。
a
b
また、入力される値は、次の条件を満たします。
0≦a≦100
0≦b≦100
入力値最終行の末尾に改行が1 つ入る
期待する出力
aと b を掛け算した数値を出力してください。
2
3
6
値には文字列、数値（整数、浮動小数点数）などの種類があり、データの種類の
ことをデータ型といいます。input関数の戻り値は文字列なので、数値として掛け
算を行うためには、整数または浮動小数点数への変換が必要です。int関数は引数
の値を整数に変換する働きがあり、int(input())とすることで、input関数で得た文
字列を整数に変換できます。
9
Chapter
1
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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.
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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.