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'
+fill=open('C:\\Users\\Lenovo-\\Desktop\\22\\text.txt',"w",encoding='utf-8')
+fill.write('小兰:12本\n')
+fill.write('小丽:11本\n')
+fill.write('李文:9本\n')
+fill.write('张伟:16本\n')
+fill.close()
+new_date=''
+with open('C:\\Users\\Lenovo-\\Desktop\\22\\text.txt',"r",encoding='utf-8') as fill:
+    for date in fill:
+        if '小兰:12本'in date:
+            new_date=date.replace('小兰:12本','小兰:13本')
+        new_date+=date
+with open('C:\\Users\\Lenovo-\\Desktop\\22\\text.txt',"w",encoding='utf-8') as fill:
+    fill.write(new_date)
+    print(new_date)