Python画图曲线图（加网格）

代码示例：

?

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21

import os import numpy as np import pandas as pd import matplotlib.pyplot as plt   method_path = "./results_org1.txt" org = pd.read_csv(method_path, header=None) method_path = "./results_exp1.txt" exp = pd.read_csv(method_path, header=None)   epochs = list(range(1,len(org)+1)) plt.plot(epochs, org.loc[:,9],  label="org_data") plt.plot(epochs, exp.loc[:,9],  label="exp_data")   plt.xlabel('epochs',fontsize=16) plt.ylabel('percision',fontsize=16) plt.legend(loc=4,fontsize=16) plt.title('Percision vs.epochs ',fontsize=16) plt.grid(which='major', axis='x', linewidth=0.75, linestyle='-', color='0.75',dashes=(15, 10)) plt.grid(which='major', axis='y', linewidth=0.75, linestyle='-', color='0.75',dashes=(15, 10)) plt.show()

　　画图结果：