save project

diy.py

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

sales_list.txt

+
+ 
\ No newline at end of file