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_data=''
+with open(r'C:\Users\Administrator\Desktop\text.txt','r',encoding='utf-8') as filel:
+    for data in filel:
+        if "小兰，10本" in data:
+            data=data.replace('小兰,10本','小兰,12本')
+            new_data+=data
+with open(r'C:\Users\Administrator\Desktop\text.txt','r',encoding='utf-8') as filel:
+    filel.write(new_data)
\ No newline at end of file