save project

diy.py

-# 写入同学们的捐赠明细：
-with open(r"C:\Users\Administrator\Desktop\xjb.txt","w",encoding='utf-8') as xjb:
-    xjb.write('小兰：12本\n小丽：11本\n李文：9本\n张伟：16本')
\ No newline at end of file
+# 写入同学们的捐赠明细
+with open(r"C:\Users\Administrator\Desktop\xjb.txt","r",encoding='utf-8') as xjb:
+    for i in xjb:
+        if "张伟：16本" in i:
+            print('数据在文件中')
\ No newline at end of file