save project

diy7.py

@@ -5,7 +5,15 @@
 bros = ["刘备","关羽","张飞"]
 bros[0] = "关羽"
 bros[1] = "刘备"
+
 bros.pop(0)
 # bros.pop(-3)
 # bros.remove("关羽")
+
+bros.insert(3,"颜良")
+bros.insert(4,"文丑")
+# bros.append("颜良")
+# bros.append("文丑")
+# bros.extend(["颜良","文丑"])
+
 print(bros)
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