shikaku https://blog.hatena.ne.jp/shikaku/ shikaku's blog https://blog.systemjp.net/ Pythonで数字の文字列strを数値int, floatに変換整数ならint() print(int('100')) print(type(int('100'))) # 100 # <class 'int'>浮動小数点数に変換: float() print(float('1.23')) print(type(float('1.23'))) # 1.23 # <class 'float'>2進数、8進数、16進数表記の文字列を数値に変換 print(int('100', 2)) print(int('100', 8)) print(int('100', 16)) # 4 # 64 # 256 … 190 <iframe src="https://hatenablog-parts.com/embed?url=https%3A%2F%2Fblog.systemjp.net%2Fentry%2F2022%2F09%2F21%2F120251" title="Pythonで文字を数値変換 - shikaku&#39;s blog" class="embed-card embed-blogcard" scrolling="no" frameborder="0" style="display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;"></iframe> Hatena Blog https://hatena.blog 2022-09-21 12:02:51 rich https://blog.systemjp.net/entry/2022/09/21/120251 1.0 100%