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'
+book=''
+with open(r'C:\Users\EDZ\Desktop\book.txt','r',encoding='UTF-8') as file:
+    for book in file:
+        if "wefwe,23" in book:
+            print("wefwe在文件中")
+        new_book+=book
+with open(r'C:\Users\EDZ\Desktop\book.txt','r',encoding='UTF-8') as file:
+    file.write(new_book)
+with open(r'C:\Users\EDZ\Desktop\book.txt','r',encoding='UTF-8') as file:
+    a=file.read()
+    print(a)
+
+    
+