auto save

diy.py

+with open(r'C:\Users\kk\Desktop\Sales_list.txt','r',encoding='utf-8')as file:
+    a=file.readlines()
+fsum=[]
+for i in a: 
+    data=i.split()
+    sum=0
+    for sales in data[1:]:
+        sum+=int(sales)
+    wow=data[0]+str(sum)+'\n'
+    fsum.append(wow)
+with open(r'C:\Users\kk\Desktop\Sales_list.txt','a',encoding='utf-8')as file:    
+    file.writelines(fsum)
\ No newline at end of file

fuck.py

+a=0
+print(a)
\ No newline at end of file

note.py

+readlines() 
+-----------
+txt="good friend"
+new_txt=txt.spilt()
+print(new_txt[?])
+-----------
+writelines() 
+
+
+
+
+
+