save project

diy.py

@@ -18,3 +18,17 @@ a.pop(-2)
 a.pop(-3)
 print(a)
 
+b=['袁术','夏侯惇','曹操','关羽']
+b.pop(3)
+print(b)
+
+
+b=['袁术','夏侯惇','曹操','关羽']
+b.pop(-1)
+print(b)
+
+
+b=['袁术','夏侯惇','曹操','关羽']
+b.remove("关羽")
+print(b)
+