save project

wefef

-with open(r'D:\aaa\book.txt','r',encoding='utf-8')
+new_date=''
+with open(r'D:\aaa\book.txt','r',encoding='utf-8')as file1:
     for data in 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