auto save

diy.py

-with open(r'C:\Users\CM\Documets\lesson13-1\sales_last,txt','r'encoding='utf-8')as 
-    a = file.readlines()
-final_sum=[]    
-for i in a:
-    data=i.split()
-    sum=0
-    for sales in data[l:]:
-        sum=sum+int(sales)
-    result = data[0]+str(sum)
-    final_sum.append(result)
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