import pandas as pd
import warnings
import numpy as np
import matplotlib.pyplot as plt
warnings.filterwarnings('ignore')# 过滤警告
plt.rcParams['font.sans-serif'] =['SimHei'] # 使图形中的中文正常编码显示
plt.rcParams['axes.unicode_minus'] = False# 使坐标轴刻度表签正常显示正负号
data = pd.read_csv(r'C:\Users\ASUS\Desktop\1v.csv')
print(data.head())