save project

.py

-a=["刘备","关羽","张飞"]
+a=["袁术","公孙瓒","关羽","张飞","刘备","曹操"]
 print(a[:])
 print(a[:])
+print(a[:4])
+print(a[1:])
+print(a[1:4])
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2.py

+a=['吕布']
+b=['袁术','公孙瓒','关羽','张飞','刘备','曹操']
+a.extend(b[2:5])
+print(a)
\ No newline at end of file