save project

diy.py

@@ -4,9 +4,13 @@
 #file1.close()
 #file1.close()
 #with open(r'C:\Users\Makcoo-Bellcode\Desktop\book.txt','a',encoding='utf-8')as file:
 #with open(r'C:\Users\Makcoo-Bellcode\Desktop\book.txt','a',encoding='utf-8')as file:
  #   file.write("小兰：12本\n小丽：11本\n李文：9本\n张伟：16本")
  #   file.write("小兰：12本\n小丽：11本\n李文：9本\n张伟：16本")
+new_file=''
 with open(r'C:\Users\Makcoo-Bellcode\Desktop\book.txt','r',encoding='utf-8')as file: 
 with open(r'C:\Users\Makcoo-Bellcode\Desktop\book.txt','r',encoding='utf-8')as file: 
     for data in file:
     for data in file:
         if '小强：10本' in data:
         if '小强：10本' in data:
-            print("小强在目录中")
+            data.replace('小强：10本','小强：11本')
         if '小兰：12本' in data:
         if '小兰：12本' in data:
-            print("小兰在目录中")
+            data.replace('小兰：12本','小兰：14本')
\ No newline at end of file
+        new_file+=data
+with open(r'C:\Users\Makcoo-Bellcode\Desktop\book.txt','w',encoding='utf-8')as file: 
+    file.write(new_file)
\ No newline at end of file