save project

diy.py

 with open(r'c:\Users\ly\Desktop\sales_list.txt','r',encoding='utf-8') as file:
+    a=file.read()
+    print(a)
+print('='*112)
+file=open(r'c:\Users\ly\Desktop\sales_list.txt','r',encoding='utf-8')
+a=file.readlines()
 
-    a=file.readlines()
 
 
-ddpi=[]
 for i in a:
     data=i.split()
     sum=0
@@ -11,11 +14,9 @@ for i in a:
     for j in data[1:]:
         r=int(j)
         sum=sum+r
-    d=data[0]+str(sum)+'\n'
-    ddpi.append(d)
+    d=data[0]+str(sum)
+    print(d)
 
 
 
-
-with open(r'c:\Users\ly\Desktop\sles_list.txt','a',encoding='utf-8') as gg:
-    gg.writelines(ddpi)
\ No newline at end of file
+file.close()
\ No newline at end of file