save project

diy.py

@@ -6,6 +6,8 @@
 # file1.write('D:16\n')
 # file1.close()
 
-with open(r'C:\Users\BBTC\Desktop\test.txt','a',encoding='utf-8') as file:
-    file.write('E:10\n')
-    file.write('F:15\n')
\ No newline at end of file
+with open(r'C:\Users\BBTC\Desktop\test.txt','r',encoding='utf-8') as file1:
+    for data in file1:
+        if 'D:10' in data:
+            print('在')
+    
\ No newline at end of file