save project

diy.py

-with open(r"C:\Users\ASUS\Desktop\捐赠明细.txt","a",encoding="utf-8")as file:
-
-    file.write("小狗：12本\n小猪：20")
-    file.write("小来：12本")
+with open(r"C:\Users\ASUS\Desktop\捐赠明细.txt","a",encoding="utf-8")as file1:
+    for data in file1:
+        if'小强：10本'in data:
+            print('数据在文件中')
\ No newline at end of file