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'
-with open(r"C:\Users\玛酷机器人\Desktop\book.txt",'a',encoding='UTF-8') as file:
-    file.write('E:12本\n')
-    file.write('F:15本\n')
-    
+#with open(r"C:\Users\玛酷机器人\Desktop\book.txt",'a',encoding='UTF-8') as file:
+#    file.write('E:12本\n')
+#    file.write('F:15本\n')
     
+with open(r"C:\Users\玛酷机器人\Desktop\book.txt",'a',encoding='UTF-8') as file1:
+    for dada in file1:
+        if "A:12本" in dada:
+            print('A在文件中')
+        if "E:12本" in dada:
+            print('E在文件中')
\ No newline at end of file