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'
+newdata=" "
+with open(r"D:\nimasil.txt","r",encoding="utf-8") as file1:
+    for data in file1:
+        if "小兰：12本" in data:
+            print("存在")
+            data=data.replace("小兰：12本","xiaolan:no")
+        newdata+=data
+print(newdata)
+with open(r"D:\nimasil.txt","w",encoding="utf-8") as file1:
+    file1.write(newdata)