Even before Edison was born, scientists had experimented with making light bulbs. These bulbs burned out after a few minutes. What Edison invented was the first incandescent light that was practical, that would light for hours and hours. He and his muckers also had to invent hundreds of other parts to make the light bulbs in your home work. Light switches, electric meters, wiring--all these had to be invented too.
The pip command is a tool for installing and managing Python packages, such as those found in the Python Package Index. It's a replacement for easy_install.
To enable the F8 key in Windows 8 you will first need to open an elevated command prompt. To do this you can follow the steps in this tutorial: How to open an Elevated Command Prompt in Windows 8. When the elevated command prompt is open you will be at the prompt.To enable F8 in Windows 8 you need to type the following in the command prompt and then press the Enter key.ow to open an Elevated Command Prompt in Windows 8. When the elevated command prompt is open you will be at the prompt. To enable F8 in Windows 8 you need to type the following in the command prompt and then press the Enter key.