In [1]:

    

64**2


    

    
Out[1]:





4096

In [2]:

    

64**0.5


    

    
Out[2]:





8.0

In [3]:

    

0.1+0.2-0.3


    

    
Out[3]:





5.551115123125783e-17

In [8]:

    

0.100000000+0.20000000-0.30000000000


    

    
Out[8]:





5.551115123125783e-17

In [9]:

    

print "Hello world"


    

    




Hello world

In [10]:

    

print 'jello\nworld'


    

    




jello
world

In [11]:

    

print("jello")


    

    




jello

In [12]:

    

print(' "this is a quote" ')


    

    




 "this is a quote" 

In [13]:

    

'hello world'
'hello jello'


    

    
Out[13]:





'hello jello'

In [14]:

    

len('hello')


    

    
Out[14]:





5

In [15]:

    

s = 'jello world'


    

In [16]:

    

s


    

    
Out[16]:





'jello world'

In [17]:

    

print(s)


    

    




jello world

In [18]:

    

s[0]


    

    
Out[18]:





'j'

In [20]:

    

s[0..2]


    

    




  File "<ipython-input-20-29da2011c22a>", line 1
    s[0..2]
         ^
SyntaxError: invalid syntax

In [21]:

    

s[1:]


    

    
Out[21]:





'ello world'

In [22]:

    

s[:4]


    

    
Out[22]:





'jell'

In [23]:

    

s[:-4]


    

    
Out[23]:





'jello w'

In [24]:

    

s[::3]


    

    
Out[24]:





'jlwl'

In [25]:

    

s[-1:-3]


    

    
Out[25]:





''

In [26]:

    

s[:4:2]


    

    
Out[26]:





'jl'

In [27]:

    

s[::-1]


    

    
Out[27]:





'dlrow ollej'

In [29]:

    

s[1:-1]


    

    
Out[29]:





'ello worl'

In [30]:

    

s[::-1][::-1]


    

    
Out[30]:





'jello world'

In [31]:

    

s[0]


    

    
Out[31]:





'j'

In [32]:

    

s[0] = "H"


    

    




---------------------------------------------------------------------------
TypeError                                 Traceback (most recent call last)
<ipython-input-32-115ae82a5b85> in <module>()
----> 1 s[0] = "H"

TypeError: 'str' object does not support item assignment

In [33]:

    

s = "Sjup"


    

In [34]:

    

s


    

    
Out[34]:





'Sjup'

In [35]:

    

s + "Hello world"


    

    
Out[35]:





'SjupHello world'

In [37]:

    

s.upper()


    

    
Out[37]:





'SJUP'

In [38]:

    

s.expand()


    

    




---------------------------------------------------------------------------
AttributeError                            Traceback (most recent call last)
<ipython-input-38-10554f86d72c> in <module>()
----> 1 s.expand()

AttributeError: 'str' object has no attribute 'expand'

In [39]:

    

s.split()


    

    
Out[39]:





['Sjup']

In [40]:

    

s = "Hello world"


    

In [41]:

    

s.split("e")


    

    
Out[41]:





['H', 'llo world']

In [43]:

    

"string with {}".format("value")


    

    
Out[43]:





'string with value'

In [44]:

    

s = 'String'


    

In [45]:

    

print 'Place my variable here: %s' %(s)


    

    




Place my variable here: String

In [46]:

    

world = 'World'


    

In [50]:

    

print 'Hello, %s. I am %s' % (s, "louis")


    

    




Hello, String. I am louis

In [51]:

    

print 'Floating point: %1.2f' % (12.3123)


    

    




Floating point: 12.31

In [53]:

    

print 'Hello, {x}. I am {y}. {x}'.format(x='world', y='louis')


    

    




Hello, world. I am louis. world

In [54]:

    

from __future__ import print_function


    

In [55]:

    

print('hello {x}'.format(x="insert"))


    

    




hello insert

In [ ]: