import numpy as npimport pandas as pdfrom matplotlib import pyplot as pltdata = pd.DataFrame([[1,2,3],[11,22,33],[111,222,333]])data.plot()  #plot()默认的线性图

 

#点状随机图

from numpy import randomfrom matplotlib import pyplotdef drawScatter():heights = []weights = []heights.append(random.normal(172,6,size=50))weights.append(random.normal(50,100,size=50))pyplot.scatter(heights,weights)pyplot.xlabel('身高cm')pyplot.xlabel('体重kg')pyplot.title('身高vs体重散点图')pyplot.savefig('test.png')pyplot.show()drawScatter()