python数组队列代码实例

python数组队列代码实例

class MyList:
    test = []
    def __init__(self, mylen=100):
        self.mylen=mylen
    def append(self,data):
        self.test.append(data)
        if len(self.test)>self.mylen:
            print("pop",self.test.pop(0))#取出第一个元素
            # test.remove(test[0])
        print(self.test)
    def get(self,index):
        if index<0:
            return None
        if index>len(self.test):
            return None
        return self.test[index]

mlist=MyList(4)
for i in range(2):
    mlist.append(i)

print(mlist.get(0))

print(mlist.get(3))