save project

diy.py

@@ -4,5 +4,7 @@
 # file1.write('小丽:11本')
 # file1.close()
 file1=open(r'C:\Users\Administrator\Desktop\test.txt','r',encoding='utf-8')
-for file1
+for data in file1:
+    if '小兰:12本' in file1:
+        data=data.replace('')
 file1.close()
\ No newline at end of file