save project

diy.py

+new_data=''
+with open(r'C:\Users\Administrator\Desktop\test.txt','r',encoding='utf-8')as file:
+    for data in file:
+        if'小红:12本'in data:
+            data = data.replace('小红:12本','小红:13本')
+        new_data+=data
+    #file.write('小红:12本')
+#print(new_data)
+with open(r'C:\Users\Administrator\Desktop\test.txt','w',encoding='utf_8')as file:
+    file.write(new_data)
\ No newline at end of file