plt draws the background grid (plt.grid function)

Table of contents

1. Parameters

2. Examples

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1. Parameters

plt.grid(b, which, axis, color, linestyle, linewidth, which， **kwargs)

• b : Boolean value. It means whether to display grid lines or not.
• axis : The values ​​are 'both', 'x', 'y'. Just want to draw the grid lines in which direction.
• color : Needless to say, this is to set the color of the grid lines. Or you can directly use c instead of color.
• linestyle : You can also use ls instead of linestyle to set the style of the grid lines, which are continuous solid lines, dashed lines or other different lines. Includes: '-' , '--' , '-.' , ':' , 'None' , ' ', ''.
• linewidth : Sets the width of the grid lines.
• alpha: Mesh transparency.
• which : Whether to draw the grid with the major scale or the minor scale, if the major and minor grids are set. Values ​​are 'major', 'minor', 'both'.

2. Examples

import matplotlib.pyplot as plt

plt.plot([1,2,3,4], [1,4,9,16], 'ro')
plt.text(1, 1.5, 'First')
plt.text(2, 4.5, 'Second')
plt.grid(b=True, linestyle="--", alpha=0.5,axis="both")
plt.show()