save project

diy.py

@@ -5,6 +5,13 @@
 # file1.write('李文:9本\n')
 # file1.write('张伟:16本\n')
 # file1.close()
-with open(r'C:\Users\w\Desktop\pig.text','a',encoding='utf-8') as file1:
-    file1.write('徐安迪:20本\n')
-
+#with open(r'C:\Users\w\Desktop\pig.text','a',encoding='utf-8') as file1:
+    #file1.write('徐安迪:20本\n')
+new_data=''
+with open(r'C:\Users\w\Desktop\pig.text','r',encoding='utf-8') as file1:
+    for data in file1:
+        if '小丽:11本' in data:
+            new_data+=data
+        print(new_data)
+    
+        
\ No newline at end of file