Matplotlib之Bar Chart: import numpy as np import matplotlib.pyplot as plt data = [[300, 200, 250, 150, 280], [300, 166, 203, 250, 225], [100, 110, 115, 150, 112], [300, 200, 250, 150, 280], [20, 30, 15, 10, 12], [20, 10, 10, 10, 20]] columns = ('Monda