save project

2.py

@@ -5,6 +5,9 @@
 #file1.write('张伟：1本\n')
 #file1.close()
 
-with open(r'C:\Users\ASUS\Desktop\test.txt','a',encoding='utf-8') as
+with open(r'C:\Users\ASUS\Desktop\test.txt','r',encoding='utf-8') as
 file1:
-    file1.write('小明：1本\n')
+    for data in file1:
+        if '小强:10本' in data:
+            data=data.replace('小强:10本''小强:11本')
+    print(data)
\ No newline at end of file