save project

.......................pppy.py

+with open(r'C:\Users\CM\Desktop\sales_list.txt','r',encoding='utf-8')
+as file:
+    a=file.readlinds()
+
+for i in a:             #用for...in...把每一行的数据遍历
+    date=i.split()      #把字符串切分成更细的字符串
+    #print(data[1:])
+    sum=0
+    for sales in data[1:]：#遍历列表中第1个数据和之后的数据
+        sum=sum+int(sales)
+    reult=data[0]+str(sum)
+    print(sum)
\ No newline at end of file