save project

diy.py

 filel=open(r'C:\Users\EDY\Desktop\test.txt','w',encoding='utf-8')
 filel=open(r'C:\Users\EDY\Desktop\test.txt','w',encoding='utf-8')
-filel.write('小兰:12本')
-filel.write('小丽:11本')
-filel.write('李文:9本')
-filel.write('张伟:16本')
+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')
 filel.close()
 filel.close()
 
 
+with open(r'C:\Users\EDY\Desktop\test.txt','a',encoding='utf-8') as filel:
+    filel.write('小强:12本\n')
+    filel.write('李明:15本\n')
\ No newline at end of file