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'
+# file=open("C:\\Users\\Administrator\\Desktop\\book.txt","w",encoding="utf-8")
+# file.write("小兰：12本")
+# file.write("小丽：11本")
+# file.write("李文：9本")
+# file.write("张伟：16本")
+# file.close()
+new_data=""
+with open("C:\\Users\\Administrator\\Desktop\\book.txt","r",encoding="utf-8")as file:
+    for data in file:
+        if "小兰"in data:
+            data=data.replace("小兰","?")
+        new_data+=data
+
+with open("C:\\Users\\Administrator\\Desktop\\book.txt","w",encoding="utf-8")as file:
+    file.write(new_data)
+
+with open("C:\\Users\\Administrator\\Desktop\\book.txt","r",encoding="utf-8")as file:
+    a=file.read()
+    print(a)
+
+