diff --git a/diy.py b/diy.py
new file mode 100644
index 0000000..94583ff
--- /dev/null
+++ b/diy.py
@@ -0,0 +1,13 @@
+with open(r"c:\Users\65415\Documents\lesson13-1\sales_list.txt","r",encoding='utf-8') as fiel1:
+    a=fiel1.readlines()
+    #print(a)
+
+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'
+with open(r"c:\Users\65415\Documents\lesson13-5\sales_list.txt","a",encoding='utf-8') as fiel1:
+    fiel1.writelines(final_sum)
diff --git a/sales_list.txt b/sales_list.txt
new file mode 100644
index 0000000..edad9b9
--- /dev/null
+++ b/sales_list.txt
@@ -0,0 +1,13 @@
+悟空 12 15 11 12 11 12 13 21 27 12 15 30 22 26 15 12 21 23 27 11
+诺依 21 29 15 21 21 21 29 30 12 13 12 12 24 52 27 26 15
+小贝 29 11 11 15 13 15 13 11 11 29 13 11 
+李丽 13 15 20 15 15 11 17 20 20 11 12 12 20
+宋扬 11 11 11 11 15 17 11 20 
+王明 30 27 26 24 29 12 15 11 22 26 23 
+李强 12 12 11 15 11 13 25 26 11 13 15
+孙小白 25 26 12 15 27 30 48 39
+苏琪 15 11 15 15 30 13 27 11 
+刘若若 11 11 13 11 20 15 13 29 24 
+刘阳 11 15 22 11 23 26 22 15 17 52 12
+王胜男 27 15 15 26 13 12 15
+王娇 12 11 12 12 15 35 23 11
\ No newline at end of file