save project

diy.py

 with open(r'c:\Users\Administrator\Desktop\sales_list.txt','r',encoding='utf-8')as file1:
 with open(r'c:\Users\Administrator\Desktop\sales_list.txt','r',encoding='utf-8')as file1:
     a=file1.readlines()
     a=file1.readlines()
+    print(a)
+
+d=[]
+
 for i in a:
 for i in a:
     b=i.split()
     b=i.split()
     sum=0
     sum=0
     for sales in b[1:]:
     for sales in b[1:]:
         sum+=int(sales)
         sum+=int(sales)
-    c=b[0]+str(sum)
-    print(c)
+    c=b[0]+str(sum)+'\n'
+d.append(c)
+
+    
+    with open(r'c:\Users\Administrator\Desktop\sales_list.txt','r',encoding='utf-8')as file1:
+        file.writelines(d)
+
+