python题，求教，急用

Question

编写程序，完成直方图美化。提示：共有2000个数据

Answer 1

import numpy as np
import matplotlib.cm as cm
import matplotlib.pyplot as plt
import matplotlib.colors as col
values = np.random.random_integers(99, size = 50)
cmap = cm.ScalarMappable(col.Normalize(0, 99), cm.viridis)
plt.bar(np.arange(len(values)), values, color = cmap.to_rgba(values))
plt.show()