Linestyle
You can use the keyword argument linestyle, or shorter ls, to change the style of the plotted line:
Example
Use a dotted line:
import matplotlib.pyplot as plt
import numpy as np
ypoints = np.array([3, 8, 1, 10])
plt.plot(ypoints, linestyle = 'dotted')
plt.show()
Example
Use a dashed line: Continue reading Python Matplotlib Line