save project

diy.py

-with open(r'c:\Users\EDY\Documents\lesson13-1\sales_list.txt','r',encoding='utf-8')as homo:
+with open(r'c:\Users\EDY\Documents\lesson13-1\sales_list.txt','r',encoding='utf-8')as homos:
     a=homo.readlines()
     a=homo.readlines()
 for i in a:
 for i in a:
     b=i.split()
     b=i.split()
     #print(b[1:])
     #print(b[1:])
+    sum=0
     for c in b[1:]:
     for c in b[1:]:
         sum=sum+int(c)
         sum=sum+int(c)
-        d=b[0]+str(sum)+"元"
-    print(b)
+        d=b[0]+str(sum)+"元""\n"
+    e.append(d)
\ No newline at end of file
+with open (r'c:\Users\EDY\Documents\lesson13-1\sales_list.txt''w',encoding='utf-8')as homos:
+    files.writelines(e)
\ No newline at end of file