数値を扱うプログラムにおいて、計算結果をきれいにするための「丸め処理」は避けて通れません。 「小数点以下2桁で切り揃えたい」 「12345円を12000円のような概算値にしたい」 こうした場面で、Pythonには標準で便利な round() 関数が用意されています。

Want to know how to round in Python? This can be useful for a wide range of applications, particularly when converting a float into an integer, or when presenting data in a readable manner. Thankfully ...

How Python Rounds Numbers (and Why It Might Surprise You!) When you first use Python’s round() function, you might expect it to always round .5 values “up.” But Python actually uses a method called ...

Python is a more powerful language that offers great tools for data crunching and preparation, as well as for complex scientific data analysis and modeling. In Python, the round() is a built-in ...