save project

diy1.py

-# filel=open(r"C:\\Users\\Administrator\\Desktop\\test.txt",'w',encoding='utf-8')
-# #写入数据
-filel.write('小兰：12本\n')
- filel.write('小丽：11本\n')
-filel.write('李文：9本\n')
-# filel.write('张伟：16本\n')
-# #关闭文件
-# filel.close()
-
-
-with open(r'C:\\Users\\Administrator\\Desktop\\test.txt",'r',encoding='utf-8') as filel
+new_data=''
+with open(r'C:\Users\Administrator\Desktop\test.txt','r',encoding='utf-8') as filel:
     for data in filel:
         if '小强：10本' in data:
-            print('小强数据在文件中')
+            data=data.replace('小强：10本''小强：11本')
         if '小兰：12本' in data:
-            print('小兰数据在文件中')
-            
\ No newline at end of file
+            data=data.replace('小兰：12本''小兰：14本')
+        new_data +=data
+
+
+with open(r'C:\Users\Administrator\Desktop\test.txt','w',encoding='utf-8' as filel:
+    filel.write(new_data)
+
+
+with open(r'C:\Users\Administrator\Desktop\test.txt','r',encoding='utf-8') as filel:
+    a=filel.read()
+    print(a)
+
+
+           
\ No newline at end of file