save project

diy.py

@@ -2,11 +2,13 @@
 # bai=open(r"C:\Users\Administrator\Desktop\王白\wang.txt","w",encoding="utf-8")
 # bai=open(r"C:\Users\Administrator\Desktop\王白\wang.txt","w",encoding="utf-8")
 # bai.write("小兰：12本\n小丽:11本")
 # bai.write("小兰：12本\n小丽:11本")
 # bai.close()
 # bai.close()
+bai2 = ""
 with open(r"C:\Users\Administrator\Desktop\王白\wang.txt","r",encoding="utf-8") as bai:
 with open(r"C:\Users\Administrator\Desktop\王白\wang.txt","r",encoding="utf-8") as bai:
     a=bai.read()
     a=bai.read()
     for i in a:
     for i in a:
-        if "bai:10" in i:
-            print("found")
+        if "小兰:12本" in i:
+            i.replace("小兰:12本","小兰:14本")
+            bai2+=i
         else:
         else:
-            print("Lost")
-            break
+            bai2+=i
+print(bai2)
\ No newline at end of file