save project

diy.py

 with open(r'c:\Users\HUAWEI\Documents\lesson13-1\sales_list.txt','r',encoding='utf-8') as f:
 with open(r'c:\Users\HUAWEI\Documents\lesson13-1\sales_list.txt','r',encoding='utf-8') as f:
     a=f.readlines()
     a=f.readlines()
     # print(a)
     # print(a)
-
+new_list=[]
 for i in a:
 for i in a:
     data=i.split()
     data=i.split()
+    
     # print(data[0],data[1:])
     # print(data[0],data[1:])
     sumn=0
     sumn=0
     for sales in data[1:]:
     for sales in data[1:]:
         sumn+=int(sales)
         sumn+=int(sales)
-    print(data[0],sumn)
+    result=data[0]+str(sumn)+'\n'
+    print(data[0],sumn,sep=':')
+    new_list.append(result)
+with open(r'C:\Users\HUAWEI\Desktop\sales_list.txt','w',encoding='utf-8') as f1:
+    f1.writelines(new_list)
\ No newline at end of file

hello.py

+a=['hello!\n','Wu Kong!\n',"I'm in the bellcode study Python."]
+with open(r"C:\Users\HUAWEI\Desktop\hello.txt",'a',encoding='utf_8') as f:
+    f.writelines(a)
\ No newline at end of file

sales_list.txt

@@ -10,4 +10,4 @@
 刘若若 11 11 13 11 20 15 13 29 24 
 刘若若 11 11 13 11 20 15 13 29 24 
 刘阳 11 15 22 11 23 26 22 15 17 52 12
 刘阳 11 15 22 11 23 26 22 15 17 52 12
 王胜男 27 15 15 26 13 12 15
 王胜男 27 15 15 26 13 12 15
-王娇 12 11 12 12 15 35 23 11
+王娇 12 11 12 12 15 35 23 
\ No newline at end of file