save project

e.py

-with open(r'F:\Users\CM\Destop\test.txt','r',encoding= 'utf-8') as file_1
+with open(r'F:\Users\CM\Destop\test.txt','r',encoding= 'utf-8') as file_1:
     for data in file_1:
         if 'chenshi:300斤'in data:
-            print("数据在里面")
-        print(data)
\ No newline at end of file
+            data = data.replace('yuyi:300jin','klalak:400jin')
+        new _data +=data
+
+with open(r'F:\Users\CM\Destop\test.txt','r',encoding= 'utf-8') as file_1:
+    file_1.write(new_data)
+
+
+
+
+