save project

diy.py

 with open(r'c:\Users\Administrator\Documents\lesson13-1\sales_list.txt','r',encoding='utf-8')as file:   
 with open(r'c:\Users\Administrator\Documents\lesson13-1\sales_list.txt','r',encoding='utf-8')as file:   
     a=file.readlines()
     a=file.readlines()
 print(a)   
 print(a)   
+final_sum=[]
 for i in a:
 for i in a:
     data=i.split()
     data=i.split()
-    print(data[0])
+    sum=0
\ No newline at end of file
+    for sale in data[1:]:
+        sum=sum+int(sale)
+    result=data[0]+str(sum)
+    final_sum.append(result)
+with open(r'c:\Users\Administrator\Documents\lesson13-1\sales_list.txt','a',encoding='utf-8')as file:  \
+    file.writelines(final_sum) 
\ No newline at end of file