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'
+filel=open(r'C:\Users\Administrator\Desktop\test.txt','w',encoding='utf-8')
+filel.write('小兰:12本\n')
+filel.close()
+
+with open(r'C:\Users\Administrator\Desktop\test.txt','a',encoding='utf-8')as filel:
+    filel.write('小强:11本\n')
+    filel.write('李明:15本\n')
+     
+with open(r'C:\Users\Administrator\Desktop\test.txt','r',encoding='utf-8')as filel: 
+    for i in filel:
+        if'小兰:12本'in i:
+            print('有')  
+        if'小强:11本'in i:
+            print('有')  
\ No newline at end of file