save project

diy.py

-with open(r'c:\Users\HUAWEI\Desktop\file.txt,'r',encoding='utf-8') as file：
+with open(r'c:\Users\HUAWEI\Desktop\file.txt','r',encoding='utf-8')as file:
     s=file.readlines()
+final_sum=[]
 for i in s:
     data=i.split()
     sum=0
 for sales in data[1:]:
     sum=sum+int(sales)
-result=data[0]+str(sum)+/n
-with open(r'c:\Users\HUAWEI\Desktop\sb.txt,'w',encoding='utf-8') as file：
-    file.whitelines()
+result=data[0]+str(sum)+'\n'
+final_sum.append(result)
+with open(r'c:\Users\HUAWEI\Desktop\sb.txt','a',encoding='utf-8')as file:
+    file.writelines(final_sum)