在 JupyterLab 中输出 LaTeX 公式

import numpy as np
from IPython.display import display, Math

P_X = [(0, 0.5), (1, 0.5)]
E_X = sum([x * p for x, p in P_X])
sigma = np.sqrt(sum([p * (x - E_X) ** 2 for x, p in P_X]))
display(Math(f'\\mathbf{{E}}(X) = {E_X}, \\sigma^2 = {sigma**2}'))