save project

1.py

+file1=open('C:\\Users\\huawei\\Desktop\\a.txt','w',encoding='utf-8')
+file1.write('小兰:12本\n')
+file1.write('小强:10本\n')
+
+file1.close()
+
+with open('C:\\Users\\huawei\\Desktop\\test.txt','r',encoding='utf-8') as file1:
+    a=file1.read()
+print(a)
+new_data=''
+with open('C:\\Users\\huawei\\Desktop\\a.txt','r',encoding='utf-8') as file1:
+    for data in file1:
+        if "小强:10本" in data:
+            data=data.replace('小强:10本','小强:11本')
+            new_data +=data
+with open('C:\\Users\\huawei\\Desktop\\a.txt','a',encoding='utf-8') as file1:
+    file1.write(new_data)
+print(new_data)
\ No newline at end of file