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# How to plot a line in Matplotlib with an interval at each data point?

To plot a line in Matplotlib with an interval at each data point, we can take the following steps −

- Set the figure size and adjust the padding between and around the subplots.
- Make an array of means and standard deviations.
- Plot means using
**plot()**method. - Fill the area between means+stds and means-stds, alpha=0.7 and color='yellow'.
- To display the figure, use
**show()**method.

## Example

import numpy as np import matplotlib.pyplot as plt plt.rcParams["figure.figsize"] = [7.50, 3.50] plt.rcParams["figure.autolayout"] = True means = np.array([3, 5, 1, 8, 4, 6]) stds = np.array([1.3, 2.6, 0.78, 3.01, 2.32, 2.9]) plt.plot(means, color='red', lw=7) plt.fill_between(range(6), means - stds, means + stds, alpha=.7, color='yellow') plt.show()

## Output

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