save project

.py

 with open(r"c:\Users\ASUS\Desktop\sales_list.txt","r",encoding='utf-8')as file1:
 with open(r"c:\Users\ASUS\Desktop\sales_list.txt","r",encoding='utf-8')as file1:
     a=file1.readlines()
     a=file1.readlines()
     #print(a)
     #print(a)
-
+final_sum=[]
 for i in a:
 for i in a:
     data=i.split()
     data=i.split()
     sum=0
     sum=0
     for i in data[1:]:
     for i in data[1:]:
         sum=sum+int(i)
         sum=sum+int(i)
-    s=data[0]+str(sum)
-    print(s)
+    s=data[0]+str(sum)+"\n"
+    final_sum.append(s)
\ No newline at end of file
+with open(r"c:\Users\ASUS\Desktop\sales_list.txt","w",encoding='utf-8')as s:
+    s.writelines(final_sum)