save project

lp.py

+new_data=''
 with open('C:\\Users\\yong'hu\\Desktop\\book.text',"r",encoding='utf-8')as fillel:
 with open('C:\\Users\\yong'hu\\Desktop\\book.text',"r",encoding='utf-8')as fillel:
-   for data in fillel:
-       print('小强在文件中')
-    if 
-       print('小强在文件中')
-    if'小兰:12本'in data:
-        print('小兰在文件中')
+    for data in fillel:
+         if'小强:10本'in data:
+            data=data.replace('小强：10本','小强'：12本)
+         if'小兰:12本'in data:
+            data=data.replace('小兰：12本'，‘小兰：14本)
+        new_data+=data
\ No newline at end of file
+with open('C:\\Users\\yong'hu\\Desktop\\book.text',"w",encoding='utf-8')as fillel:
+    fillel.write(new_data)
+with open('C:\\Users\\yong'hu\\Desktop\\book.text',"r",encoding='utf-8')as fillel:
+    a=fillel.read
+    print(a)