save project

diy.py

 # 写入同学们的捐赠明细：'小兰：12本'、'小丽：11本'、'李文：9本'、'张伟：16本'
-file1=open(r'C:\Users\z0116\Desktop\book.txt','w',encoding='utf-8')
-file1.write('小兰:12本')
-file1.write('小丽:11本')
-file1.close()
\ No newline at end of file
+# file1=open(r'C:\Users\z0116\Desktop\book.txt','w',encoding='utf-8')
+# file1.write('小兰:12本\n')
+# file1.write('小丽:11本\n')
+# file1.write('小强:10本\n')
+# file1.close()
+with open(r'C:\Users\z0116\Desktop\book.txt','a',encoding='utf-8') as file:
+    file.write('李伟:16本\n')
\ No newline at end of file