save project

diy.py

-file1=open('C:\\Users\\玛酷1\\Desktop\\test.txt','w',encoding='utf-8')
-file1.write('小强:10本\n')
-file1.write('小明:15本\n')
-file1.close()
+new_data=''
+with open('C:\\Users\\玛酷1\\Desktop\\test.txt','r',encoding='utf-8') as file:
+    for data in file:
+        if '小强:10本' in data:
\ No newline at end of file
+            data=data.replace('小强:10本','小强:11本')
+        new_data+=data
+with open('C:\\Users\\玛酷1\\Desktop\\test.txt','w',encoding='utf-8') as file:
+    file.write(new_data)
+    
+