save project

diy.py

-files=open(r'c:\Users\Administrator\Documents\lesson13-1\sales_list.txt','r',encoding='utf-8')
-a=files.read()
-print(a)
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+with open(r'c:\Users\Administrator\Documents\lesson13-1\sales_list.txt','r',encoding='utf-8') as files:
+    a=files.readlines()
+with open(r'c:\Users\Administrator\Documents\lesson13-1\sales_list.txt','w',encoding='utf-8') as files:
+    final_sum=[]
+    for i in a:
+        money=0
+        data=i.split()
+        for b in data[1:]:
+            money+=int(b)
+            result=data[0]+":"+str(money)+"\n"
+        final_sum.append(result)
+    files.writelines(final_sum)
+        
\ No newline at end of file