Text annotations in matplotlib on next line (linebreak) using '\n' give a square box instead of a line break

Question

I tried to create text annotations in matplotlib using \n, on the plot instead of a line break it is showing a square box

 "Fault location:" + str(sc) + "\nI_sc=" + str(fault)

I wanted to Fault location and I_sc in separate line like

Fault location: 1
I_sc=2

Answer 1

Possible solution is the following:

import matplotlib.pyplot as plt

sc = 1
fault = 2

plt.annotate(f'Fault location: {str(sc)}\nI_sc={str(fault)}', xy=(0.5, 0.5))
plt.show()

Returns