auto save

first.py

+with open(r'c:\Users\Administrator\Desktop\sales_list.txt','r',encoding='utf-8') as file:
+    a=file.readlines()
+    # print(a)
+final_sum=[]
+for i in a:
+    data=i.split()
+    # print(data)
+    # print(data[1:])
+    sum=0
+    for k in data[1:]:
+        sum+=int(k)
+    result=data[0]+str(sum)+'\n'
+    final_sum.append(result)
+
+# a=['你好啊\n','小贝\n','欢迎来到bellcode!\n']
+with open(r'c:\Users\Administrator\Desktop\test.txt','w',encoding='utf-8') as file:
+    file.writelines(final_sum)
+