save project

Untitled-1.py.py

+with open(r'C:\Users\Administrator\Desktop\demo.txt','r',encoding'utf=8') as sb:
+    a=sb.readlines()
+for i in a:
+    date=i.split()
+    sum=0
+    for sales in date[1:]
+        sum=sum+int(sales)
+    result=date[0]+str(sum)
+    print(result)
+with open(r'C:\Users\Administrator\Desktop\demo.txt','a',encoding'utf=8') as sb:
+    file.writelines()
\ No newline at end of file