diff --git a/1.py b/1.py
new file mode 100644
index 0000000..f8ebcfa
--- /dev/null
+++ b/1.py
@@ -0,0 +1,3 @@
+a=['你好呀\n','悟空\n','我在贝尔编程学python\n']
+with open(r'C:\Users\admin\Desktop\呱呱.txt','a',encoding='utf-8')as file:
+    file.writelines(a)
\ No newline at end of file
diff --git a/diy.py b/diy.py
index e463386..bcb34f7 100644
--- a/diy.py
+++ b/diy.py
@@ -2,4 +2,12 @@ with open(r'C:\Users\admin\Documents\lesson13-1\sales_list.txt','r',encoding="ut
     a=file.readlines()
 for i in a:
     data=i.split()
-    print(data[1:])
+    #print(data[1:])
+    sum=0
+    for sales in data[1:]:
+        sum=sum+int(sales)
+    result=data[0]+str(sum)
+    print(result)='\n'
+    final_sum
+with open(r'C:\Users\admin\Desktop\呱呱.txt','a',encoding='utf-8')as file:
+    file.writelines(result)
\ No newline at end of file