Python数据分析课程

同学笔记

• 

  weixin_49390107 2020-07-15 11:07:26

  来源：Python数据分析第一节课之工作环境准备1 查看详情

  明确目的，

• 

  iqmengxin 2020-04-10 12:54:17

  来源：Python学习/Python入门/Python数据分析之excel文件操作1 查看详情

  第一章倒数第三节课程声音有问题，有串音

   

• 

  rolinzcy12 2020-04-02 00:26:43

  来源：Python数据分析第二节课之TXT文件操作2 查看详情

  file = open('demo.txt','r')
  data = file.read()
  print(data)
  file.close()
  filex = open('demo.txt','r')
  data2 = filex.readlines()
  print("this is data2:")
  print(data2)
  file.close()
  file2 = open('demo2.txt','a',encoding='utf-8')
  file2.write('我爱python3！')
  file2.close()
  file3 = open('demo2.txt','r',encoding='utf-8')
  data3 = file3.read()
  print('this is data3:')
  print(data3)
  
  with open('demo.txt','r') as f:
      data4 = f.readlines()
  #    f.close()
  print('This is data4:')
  print(data4)
  f.close()
  with open('demo.txt','r') as f2:
      data5 = f2.read()
      f2.close()
  print('this is data5:')
  print(data5)
  

没有更多了