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Commodity price visualization
2022-07-06 05:58:00 【Twenty four bridges_】
import numpy as np
import matplotlib.pyplot as plt
plt.rcParams['font.sans-serif'] = ['SimHei']
plt.rcParams['axes.unicode_minus'] = False
with open('rb2010.csv', 'r', encoding='utf-8') as f:
file = f.readlines()[1:]
date = [i.strip().split(',')[0] for i in file]
settle = [int(i.strip().split(',')[5]) for i in file]
plt.grid(axis='both', color='k', linestyle='--', linewidth=1)
plt.xticks([i for i in range(len(date)) if i % 10 == 0], [i[-4:] for i in date[::10]], rotation=-30)
plt.yticks(np.arange(3200, 3801, 100))
plt.xlabel('2020 March to August ')
plt.ylabel(' Price ( element )')
plt.title(' Rebar futures trend chart ')
plt.plot(date, settle, linestyle='-', color='red', linewidth=1)
plt.savefig('rb2010p3.png')
plt.show()
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