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# Moving X-axis in Matplotlib during real-time plot

To move X-axis in Matplotlib during real-time plot, we can take the following steps −

- Set the figure size and adjust the padding between and around the subplots.
- Create a figure and a set of subplots.
- Create
**x**and**y**data points using numpy. - Plot
**x**and**y**data points using**plot()**method. - Make an animation by repeatedly calling a function
***animate***that moves the X-axis during real-time plot. - To display the figure, use
**show()**method.

## Example

import matplotlib.pylab as plt import matplotlib.animation as animation import numpy as np plt.rcParams["figure.figsize"] = [7.50, 3.50] plt.rcParams["figure.autolayout"] = True fig, ax = plt.subplots() x = np.linspace(0, 15, 100) y = np.cos(x) ax.plot(x, y, lw=2, color='red') def animate(frame): ax.set_xlim(left=0, right=frame) ani = animation.FuncAnimation(fig, animate, frames=10) plt.show()

## Output

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