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'
+c=""
+with open("d:/a.txt","a",encoding="utf-8") as f:
+    for data in f:
+        if "小强" in f:
+            data = data.replace("小兰：12本","小兰：12本")
+    c+=data
+
+with open("d:/a.txt","w",encoding="utf-8") as f:
+    f.write(c)
+print('ok')