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'
+file=open(r'C:\Users\Administrator\Desktop\book.txt','w',encoding='utf-8')
+file.write('小强:10本\n')
+file.write('李明:15本\n')
+file1.close()
\ No newline at end of file

wefef

+new_date=''
+with open(r'D:\aaa\book.txt','r',encoding='utf-8')as file1:
+    for data in file1:
+        if '小强:10本'in date:
+            data=data.replace('小强:10本','小强:11本')
+        if '小兰:12本'in date:
+            data=data.replace('小兰:12本','小兰:14本')
+        new_date+=date
+with open(r'D:\aaa\book.txt','w',encoding='utf-8')as file1:
+    file1.write(new_date)
+
+with open(r'D:\aaa\book.txt','r',encoding='utf-8')as file1:
+    a=file1.read()
+    print(a)
\ No newline at end of file