save project

diy.py

 with open(r'C:\Users\Administrator\Desktop\12.txt','r',encoding='utf-8') as c:
     a=c.readlines()
+d=[]
 for i in a:
     x=i.split()
     n=0
     for v in x[1:]:
         n=n+int(v)
-    k=x[0]+':'+str(n)
-    print(k)
+    k=x[0]+':'+str(n)+'\n'
+    d.append(k)
+with open(r'C:\Users\Administrator\Desktop\123.txt','a',encoding='utf-8') as c:
+    c.writelines(d)
+