1、 在PyCharm中打开一个Python项目作为第一步操作。 2、 在Python项目中创建一个新文件，例如命名为test.py，并将其打开进行编辑。 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cVal = Context()，然后按回车键确认操作。

MIAMI — Federal wildlife officials alarmed by an infestation of Burmese pythons in the Florida Everglades have tried radio tracking devices, a massive public hunt, and even snake-sniffing dogs to ...

A wildlife biologist for the U.S. Department of Agriculture’s National Research Center in Gainesville is conducting testing using a special trap he designed to capture pythons in Florida. John ...

New 5-foot-long traps will target invasive Burmese pythons Researchers will try baiting the traps with the scent of small mammals The snakes eat small mammals and have no natural predators in Fla.

A snake catcher has shared footage showing employees shrieking as he removes a huge python from the garden of their workplace. In the video, scared workers at an age-care facility in Queensland, ...

A dog owner who went to get her pet Chihuahua from its kennel found a bloated eight-foot python instead — with the poor pooch’s leash dangling from its mouth. The tiny dog had been chained up in the ...