save project

diy.py

+file1=open(r'C:\Users\Administrator\Desktop\test.txt','w',encoding='utf-8')
+file1.write('小兰:12本')
+file1.close()
+file1=open(r'C:\Users\Administrator\Desktop\test.txt','a',encoding='utf-8')
+file1.write('小强:10本')
+file1.close()
 with open(r'C:\Users\Administrator\Desktop\test.txt','r',encoding='utf-8')as file1:
 with open(r'C:\Users\Administrator\Desktop\test.txt','r',encoding='utf-8')as file1:
     for data in file1:
     for data in file1:
         if'小强:10本'in data:
         if'小强:10本'in data: