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_nb=' '
+with open(r'C:\Users\Administrator\Music\nb.txt','r',encoding='utf-8') as file1: 
+    for ibb in file1:
+        if '小强:12本' in ibb:
+            ibb=ibb.replace('小强:12本','小强:11本')
+        if '小兰:12本' in ibb:
+            ibb=ibb.replace('小兰:12本','小兰:14本')
+        new_nb+=ibb
+print(new_nb)
\ No newline at end of file