save project

1.py

 with open(r"C:\Users\Think\Desktop\新建文本文档.txt",'r',encoding='UTF-8') as file:
     a=file.readlines()
+    f=[]
 for i in a:
     data=i.split()
     num=0
     for s in data[1:]:
         num=num+int(s)
-    result=data[0] + str(num)
-    print(result)with open(r"C:\Users\Think\Desktop\新建文本文档.txt",'r',encoding='UTF-8') as file:
-    a=file.readlines()
-for i in a:
+    result=data[0] + str(num)+"\n"
+    print(result)
+    f.append(result)
+
+with open(r"C:\Users\Think\Desktop\新建文本文档.txt",'r',encoding='UTF-8') as file:
+    file.writelines(result)
+
+
+
+
+
+
+