售后

#-*- coding:utf-8 -*-

import numpy as np import matplotlib.pyplot as plt

list_all = open(“polar_list”).readlines()

count = {} count = {

0:0,
2:0,
4:0,
6:0,
8:0,
10:0,
12:0,
14:0,
16:0,
18:0,
20:0,
22:0,
24:0,
26:0

}

for each in list_all:

  period = int(each.strip())
  if period not in count.keys():
      count_num = 0
      count[period] = count_num
  elif period in count.keys():
      count_num = count[period] + 1
      count[period] = count_num

# 绘制极坐标图 theta = np.linspace(2*np.pi, 0, 14, endpoint=False) radii = count.values() print(count) width=-0.5

ax = plt.subplot(111,projection='polar')

plt.thetagrids(np.linspace(360, 0, 14, endpoint=False), [0,2,4,6,8,10,12,14,16,18,20,22,24,26]) ax.set_theta_zero_location('N') bars = ax.bar(theta,radii,width=width,bottom=0.0,align=“center”,alpha=0.5) plt.ylim¹⁾ plt.show()