save project

diy.py

@@ -11,7 +11,7 @@ with open(r'C:\Users\BBTC\Desktop\test.txt','r',encoding='utf-8') as a:
     for date in a:
     for date in a:
         if "D:10" in date:
         if "D:10" in date:
             date=date.replace('D:10','D:11')
             date=date.replace('D:10','D:11')
-        new_date+=date
+        new_date + = date
 
 
 with open(r'C:\Users\BBTC\Desktop\test.txt','r',encoding='utf-8') as a:
 with open(r'C:\Users\BBTC\Desktop\test.txt','r',encoding='utf-8') as a:
     a.write(new_date)
     a.write(new_date)