save project

diy.py

@@ -4,15 +4,19 @@
 bro1="关羽"
 bro2="刘备"
 bro3="张飞"
-bros=["刘备","关羽","张飞"]
+#bros=["刘备","关羽","张飞"]
+#[start]added by teacher
+bros=["刘备","关羽","张飞",['曹操','董卓']]
+#[end]added by teacher
 bro1=['关羽',160,8.5]
 bro2=["刘备",161,9.1]
 bro3=['张飞',166,8.3]
 bros[0]="关羽"
 bros[1]="刘备"
-print(bros)
+print("bros is:", bros)
 #[start]added by teacher
-bros_sum=bro1 + bro2 + bro3 + ['颜良']
+bros_sum=bro1 + bro2 + bro3 + ['颜良'] + bros
 bros_sum.extend(['吕布','赵云'])
+print("part of bros_sum is:", bros_sum[-3:])
 #[end]added by teacher
-print(bros_sum)
\ No newline at end of file
+print("bros_sum is:", bros_sum)
\ No newline at end of file