In [1]:

    

num = [1,2,3,4]


    

In [2]:

    

print(num)


    

    




[1, 2, 3, 4]

In [3]:

    

print(num[0])


    

    




1

In [4]:

    

print(type(num[0]))


    

    




<class 'int'>

In [5]:

    

lst = [1,'a',[3,4]]


    

In [6]:

    

print(lst[2][1
            ])


    

    




4

In [7]:

    

b = lst[2]
print(type(b))
print(b)


    

    




<class 'list'>
[3, 4]

In [11]:

    

print(b[0])
        print(b[1])


    

    




3
4

In [13]:

    

print(lst[2][1])


    

    




4

In [15]:

    

lst.append(5)


    

In [16]:

    

print(lst)


    

    




[1, 'a', [3, 4], 5]

In [18]:

    

print(lst.length)


    

    




---------------------------------------------------------------------------
AttributeError                            Traceback (most recent call last)
<ipython-input-18-127c98922567> in <module>()
----> 1 print(lst.length)

AttributeError: 'list' object has no attribute 'length'

In [ ]: