save project

diy.py

 with open(r'./sales_list.txt','r',encoding='utf-8') as file:
+    ab_b=[]
     #print(file.read())
     #for line in file:
     #    print(line)
@@ -20,4 +21,7 @@ for line in a:
     for i in date[1:]:
         sum += int(i)
 
-    print(f'{date[0]}: {sum}')    
\ No newline at end of file
+    b = f'{date[0]}: {sum}\n' 
+    ab_b.append(b) 
+with open(r'./sales_sum.txt','w',encoding='utf-8') as file:
+    file.writelines(ab_b) 
\ No newline at end of file

sales_sum.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