save project

diy.py

+num_list=[]
+with open(r"C:\Users\Administrator\Documents\lesson13-5\sales_list.txt","a",encoding="utf-8") as files1:
+    text=files1.readlines()
+    print(text)
+
+    for text in files1:
+        date=text.split()
+        total=date[1:]
+        a=0
+        for num in total:
+            a+=int(num)+"/n"
+    print(num_list)
+  
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