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'
+#file=open(r'C:\Users\BBTC\Desktop\test.txt','w',encoding='utf-8')
+#file.write('A:12\n')
+#file.write('B:11\n')
+#file.write('C:9\n')
+#file.write('D:16\n')
+#file.close()
+with open(r'C:\Users\BBTC\Desktop\test.txt','a',encoding='utf-8') as file:
+    file.write('E:10\n')
+    file.write('F:15\n')