save project

diy.py

-i=3
-username = "python"
-userpassword = "123456"
-while True:
-    if i>0:
-        name = input("请输入用户名")
-        password = input("请输入密码")
-        i -= 1
-        if name == username and password == userpassword:
-            print("登陆成功")
-            break
-        elif name !=username:
-        print("用户名错误,请重新输入")
-        continue
-    else:
-        print("你的账户已被锁定,请一个小时后再来")
-        exit()
-print("欢迎来到编程")
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+with open(r'c:\sales_list.txt','r',encoding='utf-8') as file:
+    a=file.readlines()
+
+final_sum=[]
+for i in a:
+    data=i.split()
+    sum=0
+    for sales in data[1:]:
+        sum=sum+int(sales)
+    result = data[0]+str(sum)+'\n'
+    final_sum.append(result)    
+        
+with open(r'c:\sales_list.txt','r',encoding='utf-8') as file:        
+    file.writelines(final_sum)
\ No newline at end of file