python使用matplotlib模块绘制多条折线图、散点图

#!usr/bin/env python#encoding:utf-8 '''__Author__:沂水寒城功能：折线图、散点图测试''' import randomimport matplotlib import matplotlib.pyplot as plt   def list2mat(data_list,w): ''' 切片、转置 ''' mat=[] res=[] for i in range(0,len(data_list)-w+1,w):  mat.append(data_list[i:i+w]) for i in range(len(mat[0])):  one_list=[]  for j in range(len(mat)):   one_list.append(mat[j][i])  res.append(one_list) return res   def draw_pic_test(): ''' 作图 ''' data_list=[] for i in range(100):  data_list.append(random.randint(2,150)) month_list=range(1,11,1) mat=list2mat(data_list,w=10) for one_list in mat:  one_list=[int(one) for one in one_list]  plt.plot(month_list,one_list,"x-",label="test_zhexian")  plt.savefig('test_zhexian.png') plt.close() for one_list in mat:  one_list=[int(one) for one in one_list]  plt.scatter(month_list,one_list,marker='x',label='test_sandian',s=30)  plt.savefig('test_sandian.png') plt.close()   if __name__ == '__main__': draw_pic_test()