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:\User\Administrator\Desktop\sd.txt','r'',encoding='utf-8') as filel:
+    for data in file1:
+        if '语文'in data:
+            print('语文在')
+        if'数学'in data:
+            print('数学在')
+    
\ No newline at end of file

dm.py

+filel= open(r'C:\User\Administrator\Desktop\sd.txt','w',encoding='utf-8') 
+file1.write('小兰:12本\n')
+file1.write('小丽:11本\n')
+file1.write('李文:9本\n')
+file1.write('张伟:16本\n')
+file1.ciose()
+
+
+
+
+with open(r'C:\User\Administrator\Desktop\sd.txt','w',encoding='utf-8')as file:
+    file1.write('小强:12本\n')
+    file1.write('小明:11本\n') 
\ No newline at end of file