from random import randint
import numpy as np
import matplotlib.pyplot as plt
plt.rcParams['font.sans-serif']=['Microsoft JhengHei']
point =[[randint(1,10)for i inrange(12)]for j inrange(11)]for year inrange(11,0,-1):
data = np.zeros((12,), dtype=np.int)for i inrange(0, year):
data += np.asarray(point[i])
plt.bar(range(0,12), data, label=f'{2012+year}年', width=0.5)
plt.xlabel("月份")
plt.xticks(range(0,12),range(1,13))
plt.ylabel("有\n降\n雨\n天\n數\n (天) ", rotation=0)
plt.legend(loc='upper right')
plt.show()