save project

diy.py

@@ -12,3 +12,13 @@ with open(r'C:\Users\Administrator\Desktop\text.txt','r',encoding='utf-8')as fil
     for data in file1:
         if'小强：10本'in data:
             print('数据在文件中')
+            data=data.replace('小强：10本','小强：11本')
+        if'小兰：12本'in data:
+            print('数据在文件中')
+            data=data.replace('小兰：12本','小兰：14本')
+            new_data=data
+with open(r'C:\Users\Administrator\Desktop\text.txt','w',encoding='utf-8')as file1:
+    file1.write(new_data)
+with open(r'C:\Users\Administrator\Desktop\text.txt','r',encoding='utf-8')as file1:
+    a=file1.read()
+    print(a)
\ No newline at end of file