save project

diy.py

@@ -5,7 +5,11 @@
 # mf.write('李文：9本\n')
 # mf.write('李文：9本\n')
 # mf.write('张伟：16本\n')
 # mf.write('张伟：16本\n')
 # mf.close()
 # mf.close()
+new_data=''
 with open(r'C:\Users\Think\Desktop\十连双金.txt',"r",encoding="utf-8")as mf:
 with open(r'C:\Users\Think\Desktop\十连双金.txt',"r",encoding="utf-8")as mf:
     for data in mf:
     for data in mf:
-        if '小兰：10本'in data:
-            print ('小兰数据在文件中')
+        if '小兰：12本' in data:
+            data=data.replace('小兰：12本','小兰：14本')
\ No newline at end of file
+        new_data+=data   
+with open(r'C:\Users\Think\Desktop\十连双金.txt',"w",encoding="utf-8")as mf: 
+    mf.write(new_data)