save project

diy.py

@@ -3,4 +3,7 @@ file1=open(r'C:\Users\Administrator\Desktop\test.txt','w',encoding='utf-8')
 file1.write('曹狗蛋、9999999999999999999999999999999999999999999999999999999999999999999999999999999999本')
 file1.write('曹狗蛋、9999999999999999999999999999999999999999999999999999999999999999999999999999999999本')
 file1.close()
 file1.close()
 with open(r'C:\Users\Administrator\Desktop\test.txt','a',encoding='utf-8') as file1:
 with open(r'C:\Users\Administrator\Desktop\test.txt','a',encoding='utf-8') as file1:
-    file1.write('曹狗蛋、9999999999999999999999999999999999999999999999999999999999999999999999999999999999本\n')
+    file1.write('曹狗蛋、9999999999999999999999999999999999999999999999999999999999999999999999999999999999本\n')
\ No newline at end of file
+    for data in file1:
+        if '曹狗蛋、9999999999999999999999999999999999999999999999999999999999999999999999999999999999本' in data:
+            print('数据在文件中')