save project

diy.py

+# 写入同学们的捐赠明细：'小兰：12'、''、''、''
+with open(r'C:\Users\Administrator\Desktop\text.txt','w',encoding='utf-8') as a:
+a.write("小强：12\n小明：11")
+with open(r'C:\Users\Administrator\Desktop\text.txt','r',encoding='utf-8') as a:
+    for i in a:
+        if '小强：12' in i:
+            print("该数据在文件中")
+        else:
+            print("该数据不在文件中")
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