How to save image & chart in matplotlib?

To save an image of charts write module_name. savefig("Here write image name as a string"). The image will save in the project's directory. Project directory means that place in pc where you save another file of that particular project. By default, you will get the image in png format.

How to adjust dpi of the image?

Here dpi means dot(pixel) per inch. To set dpi use the dpi parameter and pass integer value. By default, the dpi value is 100. You can increase or decrease the resolution of the image by increasing or decreasing the dpi value.

Input
import matplotlib.pyplot as plt
value1=[40,45,67,78,90,2,2,33]
value2=[55,70,81,88,100,55,67,44]
plt.scatter(value1,value2,color="red")
plt.title("Histogram for practice")
plt.xlabel("x axis value")
plt.ylabel("y axis value")
plt.grid(color="red",linewidth=2,linestyle=":")
plt.legend(["value1","value2"])
plt.savefig("scatter plot with default dpi")
plt.savefig("scatter plot with 50 dpi",dpi=50)
plt.savefig("scatter plot with 200 dpi",dpi=200)
plt.savefig("scatter plot with 1000 dpi",dpi=1000)
plt.show()

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