Final answer:
To reset drawings, color, background, and the turtle's position in the Python Turtle Graphics, use the command 'turtle.reset()' after importing the turtle module. If a specific background color is needed, use 'turtle.bgcolor('white')' after the reset command.
Step-by-step explanation:
To erase all the drawings on the window, reset the color to black, reset the background, and return the turtle to its original position, you can use the following command in the Python Turtle Graphics library:
import turtle
turtle.reset()
The turtle.reset() function accomplishes all these tasks. It clears the window of any drawings, resets the turtle's position and heading to the default settings, and restores the background color. The turtle itself is also reset to the default black color. If you need to specifically change the background to white or another color, you can use the command turtle.bgcolor('white') right after turtle.reset() for a complete reset. Remember to ensure that you have first imported the turtle module with import turtle at the beginning of your program to use these functions.