auto save

diy.py

+with open(r'c:\Users\bellcode\Documents\lesson7_3\sales_list.txt','r',encoding='utf-8') as file:
+    # txt=file.read()
+    # print(txt)
+    a=file.readlines()
+x=''
+for i in a:
+    c=i.split()
+    v=0
+    for i in c[1:]:
+        v=v+int(i)
+    print(c[0]+' '+str(v))
+    x+=c[0]+' '+str(v)+'\n'
+with open(r'c:\Users\bellcode\Documents\lesson7_3\sales_list.txt','w',encoding='utf-8') as file:
+    print(x)
+    file.write(x)
\ No newline at end of file

diy3.py

-message = "诺依，周末一起去看动漫展吧！"
-i=0
-while i<len(message):
-    print(message[i])
-    i=i+1
-
-# 请使用索引的知识，取出message所有元素（不用遍历的方式）
\ No newline at end of file

sales_list copy.txt

+悟空 12 15 11 12 11 12 13 21 27 12 15 30 22 26 15 12 21 23 27 11
+诺依 21 29 15 21 21 21 29 30 12 13 12 12 24 52 27 26 15
+小贝 29 11 11 15 13 15 13 11 11 29 13 11 
+李丽 13 15 20 15 15 11 17 20 20 11 12 12 20
+宋扬 11 11 11 11 15 17 11 20 
+王明 30 27 26 24 29 12 15 11 22 26 23 
+李强 12 12 11 15 11 13 25 26 11 13 15
+孙小白 25 26 12 15 27 30 48 39
+苏琪 15 11 15 15 30 13 27 11 
+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
+王胜男 27 15 15 26 13 12 15
+王娇 12 11 12 12 15 35 23 11
\ No newline at end of file

sales_list.txt

+悟空 348
+诺依 380
+小贝 182
+李丽 201
+宋扬 107
+王明 245
+李强 164
+孙小白 222
+苏琪 137
+刘若若 147
+刘阳 226
+王胜男 123
+王娇 131