save project

diy.py

 with open(r"c:\Users\EDY\Documents\lesson13-1\sales_list.txt","r",encoding="utf-8")as file:
 with open(r"c:\Users\EDY\Documents\lesson13-1\sales_list.txt","r",encoding="utf-8")as file:
-    a = file.read()
-    print(a)
+    a = file.readlines()
+    
\ No newline at end of file
+
+for i in a:   
+    data=i.split()
+    sum = 0
+    for sales in data[1:]:
+        sum += int(sales)
+    result = data[0]+str(sum)
+
+
+
+with open(r"c:\Users\EDY\Documents\lesson13-1\new_sales_list.txt","w",encoding="utf-8")as file:
+    file.writelines(result)
+    print(result)
\ No newline at end of file

new_sales_list.txt

+王娇131
\ No newline at end of file