编辑代码

#列表增加字段
print([1,2,3])
a=[1,2,3,4,"上山打老虎"]
length=len(a)
heros=['绿巨人','黑寡妇','雷神']
print(heros)
heros.append("黑寡妇")
print(heros)
heros.extend(["钢铁侠","灭吧","鹰眼"])
print(heros)
s=[1,2,3,4,5]
print(s)
s[len(s):]=[6]
print(s)
s[len(s):]=[7,8,9]
print(s)
b=[1,3,4,5]
print(b)
b.insert(1,2)
print(b)
b.insert(0,0)
print(b)
b.insert(len(b),6)
print(b)
#列表删减字段
heros.remove("灭吧")
print(heros)
heros.pop(1)
print(heros)