有三列数据(x,y,traffic),怎么用python将csv其中的两列数据,分别读取为横坐标、纵坐标,然后再画折线图?
望采纳
import csv
import matplotlib.pyplot as plt
posx = []
posy = []
with open('test.csv')as f:
f_csv = csv.reader(f)
for row in f_csv:
posx.append(float(row[0]))
posy.append(float(row[1]))
# 绘图
plt.plot(x,y)
# 显示
plt.show()