save project

data.py

+with open(r'C:\Users\David\Desktop\sales_list.txt','r',encoding='utf-8') as fine:
+    a=fine.readlines()
+final_sum=[]
+for i in a:
+    data=i.split()
+    sum=0
+    for sales in data[1:]:
+        sum=sum+int(sales)
+    result=data[0]+str(sum)+'/n'
+    final_sum.append(result)
+
+with open(r'C:\Users\David\Desktop\a.txt','a',encoding='utf-8') as fine:
+    fine.writelines(final_sum)
\ No newline at end of file