save project

diy.py

+file=open(r"C:\Users\DELL\Desktop\sales_list.txt",'r',encoding='utf-8')
+a=file.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\DELL\Desktop\sales_list.txt",'a',encoding='utf-8') as file:
+    file.writelines(final_sum)
\ No newline at end of file