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()
+for i in a:#用for....in...把每一行的数据遍历
+    data=i.split()#把字符串切分成更细的一个个的字符串
+    """
+    print(data[1:])#打印出来
+    """
+    sum=0
+    for sales in data[1:]:
+        sum=sum+int(sales)
+    result=data[0]+str(sum)
+    print(result)
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