In [7]:

    

>>> squares = [1 , 4, 6, 8, 25]


    

In [8]:

    

>>> squares[0]


    

    
Out[8]:





1

In [9]:

    

>>> squares[3]


    

    
Out[9]:





8

In [11]:

    

>>> squares[:-2]


    

    
Out[11]:





[1, 4, 6]

In [12]:

    

>>> squares[:]


    

    
Out[12]:





[1, 4, 6, 8, 25]

In [13]:

    

>>> squares + [35, 48, 59, 78, 92]


    

    
Out[13]:





[1, 4, 6, 8, 25, 35, 48, 59, 78, 92]

In [14]:

    

>>> cubes = [1, 8, 27, 65, 125]


    

In [15]:

    

>>> 4**3


    

    
Out[15]:





64

In [16]:

    

>>> cubes[3] = 64


    

In [17]:

    

>>> cubes


    

    
Out[17]:





[1, 8, 27, 64, 125]

In [18]:

    

>>> cubes.append(216)


    

In [20]:

    

>>> cubes.append(7 ** 3)


    

In [21]:

    

>>> cubes


    

    
Out[21]:





[1, 8, 27, 64, 125, 216, 343, 343]

In [23]:

    

>>> letters = ['a', 'b', 'c', 'd', 'e', 'f', 'g']
>>> letters


    

    
Out[23]:





['a', 'b', 'c', 'd', 'e', 'f', 'g']

In [24]:

    

>>> letters[2:5] = ['C', 'D', 'E']
>>> letters


    

    
Out[24]:





['a', 'b', 'C', 'D', 'E', 'f', 'g']

In [25]:

    

>>> letters[2:5] = []
>>> letters


    

    
Out[25]:





['a', 'b', 'f', 'g']

In [26]:

    

>>> letters = []
letters


    

    
Out[26]:





[]

In [27]:

    

>>> letters = ['a', 'b', 'c', 'd']
>>> len(letters)


    

    
Out[27]:





4

In [30]:

    

>>> a = ['a', 'b', 'c']
>>> n = ['1', '2', '3']
>>> x = [a, n]
>>> x


    

    
Out[30]:





[['a', 'b', 'c'], ['1', '2', '3']]

In [31]:

    

>>> x[0]


    

    
Out[31]:





['a', 'b', 'c']

In [32]:

    

>>> x[0][2]


    

    
Out[32]:





'c'

In [42]:

    

>>> a, b = 0, 1
>>> while b < 10:
...        print(b,)
...        a,b = b,a+b
...


    

    




1
1
2
3
5
8

In [37]:

    

>>> a, b = 0, 1
>>> while b < 1000:
...     print(b, end=',')
...     a, b = b, a+b
...


    

    




1,1,2,3,5,8,13,21,34,55,89,144,233,377,610,987,