15 DS Python Packages in telugu vlr training

In [43]:

li=[22,33,1,5,99,33,66,-66,44,55,33]

In [10]:

li.sort()
li

Out[10]:

[-66, 1, 5, 22, 33, 33, 33, 44, 55, 66, 99]

In [11]:

li.reverse()
li

Out[11]:

[99, 66, 55, 44, 33, 33, 33, 22, 5, 1, -66]

In [17]:

li.count(33)

Out[17]:

3

In [18]:

li.insert(0,88)

In [19]:

li

Out[19]:

[88, 99, 66, 55, 44, 33, 33, 33, 88, 22, 5, 1, -66]

In [21]:

li.insert(1,567)

In [22]:

li

Out[22]:

[88, 567, 99, 66, 55, 44, 33, 33, 33, 88, 22, 5, 1, -66]

In [27]:

li.index(33)

Out[27]:

6

In [28]:

li.pop()

Out[28]:

-66

In [29]:

li

Out[29]:

[88, 567, 99, 66, 55, 44, 33, 33, 33, 88, 22, 5, 1]

In [30]:

li.sort()
li

Out[30]:

[1, 5, 22, 33, 33, 33, 44, 55, 66, 88, 88, 99, 567]

In [31]:

li.pop()

Out[31]:

567

In [32]:

li

Out[32]:

[1, 5, 22, 33, 33, 33, 44, 55, 66, 88, 88, 99]

In [33]:

li.pop(0)

Out[33]:

1

In [34]:

li

Out[34]:

[5, 22, 33, 33, 33, 44, 55, 66, 88, 88, 99]

In [35]:

li.remove

Out[35]:

<function list.remove>

In [40]:

li.remove()

---------------------------------------------------------------------------
TypeError                                 Traceback (most recent call last)
<ipython-input-40-413cb00f03bc> in <module>()
----> 1 li.remove()

TypeError: remove() takes exactly one argument (0 given)

In [39]:

li

Out[39]:

[5, 22, 33, 33, 33, 44, 55, 66, 99]

In [41]:

li.clear()

In [42]:

li

Out[42]:

[]

In [44]:

li

Out[44]:

[22, 33, 1, 5, 99, 33, 66, -66, 44, 55, 33]

In [45]:

type(li)

Out[45]:

list

In [46]:

import numpy as np

In [47]:

np.array(li)

Out[47]:

array([ 22,  33,   1,   5,  99,  33,  66, -66,  44,  55,  33])

In [48]:

a=np.array(li)

In [49]:

a

Out[49]:

array([ 22,  33,   1,   5,  99,  33,  66, -66,  44,  55,  33])

In [50]:

type(a)

Out[50]:

numpy.ndarray

In [51]:

li1=[22,33,1,5,99,33,66,-66,44,55,33,"kumar"]

In [52]:

li1

Out[52]:

[22, 33, 1, 5, 99, 33, 66, -66, 44, 55, 33, 'kumar']

In [53]:

b=np.array(li1)

In [54]:

b

Out[54]:

array(['22', '33', '1', '5', '99', '33', '66', '-66', '44', '55', '33',
       'kumar'],
      dtype='<U11')

In [56]:

c=np.array(3,5,6,7)

---------------------------------------------------------------------------
ValueError                                Traceback (most recent call last)
<ipython-input-56-0ae6e1d38d26> in <module>()
----> 1 c=np.array(3,5,6,7)

ValueError: only 2 non-keyword arguments accepted

In [57]:

c=np.array([3,5,6,7])

In [58]:

c

Out[58]:

array([3, 5, 6, 7])