save project

sb.py

+with open(r'C:\Users\Administrator\Desktop\lesson13-1\sales_list.txt','r',encoding='utf-8') as kk:
+    a=kk.readlines()
+    print(a)
+data=[]
+all=0
+for i in a:
+    k=i.split()
+    sum=0
+    for QQ in k[1:]
+        sum=sum+int(QQ)
+    all=all+sum
+    print(all)
+    total=k[0]+str(sum)+'\n'
+    data.append(total)
+with open(r'C:\Users\Administrator\Desktop\lesson13-1\sales_list.txt','w',encoding='utf-8') as dd:
+    dd.writelines(data)
+    dd.writelines(["一共",str(all)])
\ No newline at end of file