#How
This video is very useful for learn Python
Lecture By Nagarajan.S
To create a chessboard with the Python programming language, use two Python libraries; Matplotlib for visualization, and NumPy for building an algorithm which will help us to create and visualize a chessboard.
Matplotlib Python has an extensive library for creating stable, animated, and interactive data visualizations.
Firstly, import all the necessary modules (i.e. numpy, matplotlib.pyplot, matplotlib.colors).
2. Declare the size of the interval dx, dy.
3. Create an array x and y that store all values from range -4 to 4 (since we need square) with interval dx and dy respectively. arange() is a numpy inbuilt function that returns an array of objects that are evenly spaced values within a defined interval.
4. Use np.meshgrid function to plot a rectangle grid with vector coordinates.
5. For calculating the alternating position for coloring use the outer function which basically returns the product of two vectors and modulus the result by 2.
6. Finally, use imshow function in MatPlotLib which helps to plot. title() function used to set the title of the plot.
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