auto save

rerwetrtjkj.py

+new=''
+with open(r'C:\Users\86132\Desktop\aa.txt','r',encoding='utf-8')as sb:
+    for i in sb:
+        if '小黑子：250' in i:
+            i=i.replace('小黑子：250','小黑子：250.5')
+            print(i)
+        new=new+i
+with open(r'C:\Users\86132\Desktop\aa.txt','w',encoding='utf-8')as sb:
+    sb.write(new)
\ No newline at end of file