You will need a Python Integrated Development Environment (IDE) to develop your own scripts. You're not obliged to use a Python IDE, and instead, you can use any text editor in Kali Linux (for example, nano, vim, or gedit). However, using a professional IDE is a must if you want to easily develop large scripts that allow you to debug errors, format the source code, visualize the output, and detect errors even before the application is run. In this chapter, we will use a very popular and free Python IDE called PyCharm. You can find it at https://www.jetbrains.com/pycharm/.
You can also use the Python interpreter using your Terminal window. Let's say you have an idea and you want to test it quickly. Open your Terminal window in Kali, type python, and then press Enter. Let's look at an example. I will create a variable called ip_address, give it a value...