1、 在PyCharm中启动并打开一个Python项目。 2、 在Python项目中创建一个新文件，如test.py，并用编辑器打开它。 3、 在Python编辑区域输入from decimal import *，以引入decimal模块中的全部类和方法。 4、 输入cText = Context()，然后按回车键确认操作。 5、 输入dX = cText.create_decimal(9.615 ...

5、 输入multiplyX = cText.multiply (Decimal (-11), Decimal (3))，然后按下回车键执行操作。

Writing to files is one of the most important things you will learn in any new programming language. This allows you to save user data for future reference, to manipulate large data sets, or to build ...

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