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=''
+with open(r'C:\Users\Think\Desktop\sts\test.txt','r',encoding='utf-8') as pill:
+    for a in pill:
+        if '小强：12' in a:
+            a=a.replace('小强：12','小强：11')
+        new+=a
+with open(r'C:\Users\Think\Desktop\sts\test.txt','w',encoding='utf-8') as pill:
+    pill.write(new)
\ No newline at end of file