auto save

diy.py

+with open(r'C:\Users\Administrator\Documents\lesson13-1\sales_list.txt'
+,'r',encoding='utf-8') as file:
+    a = file.readlines()
+    print(a)
+    for i in a:
+        sum = 0
+        data = i.split()
+        for j in data[1:]:
+            sum += int(j)
+        print(sum)
+        
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