save project

diy.py

 with open(r'C:\Users\maku\Desktop\text2.txt','r',encoding='utf-8') as filel:
-    for data in filel:
-        if '小强：10本' in data:
-            print('小强数据在文件中')
+        if '小强：10本'in data
+           data=data.replace('小强: 10本','小强: 11本')
         if '小兰：12本' in data :   
-            print('小蓝数据在文件中')
\ No newline at end of file
+           data=data.replace('小兰: 12本','小兰: 14本') 
+            new_data+=data
+with open(r'C:\Users\maku\Desktop\text2.txt','r',encoding='utf-8') as filel:
+    filel.write(new_data)
+with open(r'C:\Users\maku\Desktop\text2.txt','r',encoding='utf-8') as filel:
+    a=filel.read
+    print(a)
\ No newline at end of file