save project

diy1.py

-bor="刘备"
-bor="关羽"
-bor="张飞"
-bors=["刘备","关羽","张飞"]
-bors[-3]="关羽"
-bors[-2]="刘备"
-print(bors)
-len(bors)
\ No newline at end of file
+a=['吕布']
+b=['袁术','公孙瓒','关羽','张飞','刘备','曹操]
+c=b[2:5]
+d=b[:5]
+print(c)
+