save project

diy.py

@@ -5,17 +5,20 @@
 # file1.write('李明：15本\n')
 # file1.close()
 
-
+new_i=''
 with open(r'C:\Users\Administrator\Desktop\test.txt','r',encoding='utf-8') as file1:
     # file1.write('小兰：12本\n')
     # a=file1.read()i:
     # print(a)
     for i in file1:
         if '小强：10本' in i:
-            print("数据有了")
-        if '小兰：12本' in i:
-            print("数据有了")
-
+            # print("数据有了")
+            i=i.replace('小强：10本','小强：11本')
+        new_i+=i
+        # if '小兰：12本' in i:
+        #     print("数据有了")
+with open(r'C:\Users\Administrator\Desktop\test.txt','w',encoding='utf-8') as file1:    
+    file1.write(new_i)