How to draw rounded line ends using Matplotlib?

To draw rounded line ends using matplotlib, we can use solid_capstyle='round'.


  • Set the figure size and adjust the padding between and around the subplots.
  • Create random x and y data points using numpy.
  • Create a figure and a set of subplots.
  • Plot x and y data points using plot() method, with solid_capstyle in the method argument.
  • To display the figure, use show() method.


import matplotlib.pyplot as plt
import numpy as np

plt.rcParams["figure.figsize"] = [7.50, 3.50]
plt.rcParams["figure.autolayout"] = True

x = np.random.randn(5)
y = np.random.randn(5)

fig, ax = plt. subplots()
ln, = ax.plot(x, y, lw=10, solid_capstyle='round', color='red')