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(r"C:\Users\Administrator\Desktop\新建文件夹\test.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()
+while open(r"C:\Users\Administrator\Desktop\新建文件夹\test.txt","r"",encoding="utf-8")
+    for date in file:
+        if '小兰，10本' in date
+            date=data.replace("小兰，12本","小兰，11本")
+            new_data+=data
+while open(r"C:\Users\Administrator\Desktop\新建文件夹\test.txt","r"",encoding="utf-8")
+            file.wite(new_data)
+while open(r"C:\Users\Administrator\Desktop\新建文件夹\test.txt","r"",encoding="utf-8")
+    a=file.read()
+        print(a)
\ No newline at end of file