auto save

diy.py

+with open(r"c:\Users\Administrator\Documents\lesson13-1\sales_list.txt","r",encoding = "utf-8") as f:
+    a = f.readlines()
+    #print(a)
+final_sum = []
+for i in a:
+ 
+    data = i.split()  #以空格进行分割
+    sum = 0
+    for sales in data[1:]:
+        sum=sum + int(sales)
+    result = data[0] + str(sum) +"\n"
+    print(result)
+    final_sum.append(result)
+
+with open(r"C:\Users\Administrator\Desktop\sum.txt","w",encoding = "utf-8") as f:
+    f.writelines(final_sum)
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