save project

p.py

-with open(r'C:\Users\Administrator\Desktop\test.txt','r',encoding='utf-8') as file1:
+data_new=''
+with open(r'C:\Users\Administrator\Desktop\test.txt','r',encoding='utf-8')as file1:
     for data in file1:
         if'小强:10本' in data:
-            print('小强就在里面')
+            data=data.replace('小强:10本','小强:11本')
         if'小兰：12本'in data:
-            print('小兰就在里面')
\ No newline at end of file
+             data=data.replace('小兰:10本','小兰:100本')
+        data_new+=data
+with open(r'C:\Users\Administrator\Desktop\test.txt','w',encoding='utf-8')as file1:
+    file1.write(data_new)
+with open(r'C:\Users\Administrator\Desktop\test.txt','r',encoding='utf-8')as file1:
+    a=file1.read()
+    print
\ No newline at end of file