save project

diy.py

-with open(r'c:\Users\jone\Documents\lesson13-1\sales_list.txt','r',encoding='utf-8') as files:
+ open(r'c:\Users\jone\Documents\lewithsson13-1\sales_list.txt','r',encoding='utf-8') as files:
     a=files.readlines()
+list01=[]
 for i in a:
     date=i.split()
     print(data[1:])
     sum=0
     for j in data[1:]:
-        sum= sum + j
\ No newline at end of file
+        sum= sum + int(j)
+    str01=data[0] +':'+ str(sum)
+    list01.append(str01)
+open(r'c:\Users\jone\Documents\lewithsson13-1\sales_list.txt','w',encoding='utf-8') as files:
+    files.writelines()
\ No newline at end of file