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'
+new_book=''
+with open('C:\\Users\\EDZ\\Desktop\\book.txt','r',encoding='UTF-8') as file1:
+    for book in file1:
+        if '小强：10本'in book:
+            book=book.replace('小强：10本','小强：11本')
+        if '小兰：12本'in book:
+            book=book.replace('小兰：12本','小兰：14本')
+        new_book +=book
+with open('C:\\Users\\EDZ\\Desktop\\book.txt','w',encoding='UTF-8') as file1:
+    file1.write(new_book)
+with open('C:\\Users\\EDZ\\Desktop\\book.txt','r',encoding='UTF-8') as file1:
+    a=file1.read()
+    print(a)
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