Python绘制误差带图

例子1

import matplotlib.pyplot as plt

import numpy as np



mean_1 = np.array([10, 20, 30, 25, 32, 43])

std_1 = np.array([2.2, 2.3, 1.2, 2.2, 1.8, 3.5])



mean_2 = np.array([12, 22, 30, 13,