In [1]:

    

isMLGeek


    

    




---------------------------------------------------------------------------
NameError                                 Traceback (most recent call last)
<ipython-input-1-9acb6694049e> in <module>()
----> 1 isMLGeek

NameError: name 'isMLGeek' is not defined

In [2]:

    

isMLGeek = True
if isMLGeek:
    print 'I recommend you to read "DIY Machine Learning Systems for Kaggle Competitions with Python Programming"!'


    

    




I recommend you to read "DIY Machine Learning Systems for Kaggle Competitions with Python Programming"!

In [3]:

    

10 + 20


    

    
Out[3]:





30

In [4]:

    

30 - 60.6


    

    
Out[4]:





-30.6

In [5]:

    

4 * 8.9


    

    
Out[5]:





35.6

In [6]:

    

5 / 4


    

    
Out[6]:





1

In [7]:

    

5.0 / 4


    

    
Out[7]:





1.25

In [8]:

    

5 % 4


    

    
Out[8]:





1

In [9]:

    

2.0 ** 3


    

    
Out[9]:





8.0

In [10]:

    

10 < 20


    

    
Out[10]:





True

In [11]:

    

10 > 20


    

    
Out[11]:





False

In [12]:

    

30 <= 30.0


    

    
Out[12]:





True

In [13]:

    

30.0 >= 30.0


    

    
Out[13]:





True

In [14]:

    

30 == 40


    

    
Out[14]:





False

In [15]:

    

30 != 40


    

    
Out[15]:





True

In [16]:

    

t = (1, 'abc', 0.4)
t[0] = 2


    

    




---------------------------------------------------------------------------
TypeError                                 Traceback (most recent call last)
<ipython-input-16-e331d33fe590> in <module>()
      1 t = (1, 'abc', 0.4)
----> 2 t[0] = 2

TypeError: 'tuple' object does not support item assignment

In [17]:

    

l = [1, 'abc', 0.4]
l[0] = 2
l[0] += 1
l[0]


    

    
Out[17]:





3

In [18]:

    

l[0] -= 2
l[0]


    

    
Out[18]:





1

In [19]:

    

True and True


    

    
Out[19]:





True

In [20]:

    

True and False


    

    
Out[20]:





False

In [21]:

    

True or False


    

    
Out[21]:





True

In [22]:

    

False or False


    

    
Out[22]:





False

In [23]:

    

not True


    

    
Out[23]:





False

In [24]:

    

l = [1, 'abc', 0.4]
t = (1, 'abc', 0.4)
d = {1:'1', 'abc':0.1, 0.4:80}


    

In [25]:

    

0.4 in l


    

    
Out[25]:





True

In [26]:

    

1 in t


    

    
Out[26]:





True

In [27]:

    

'abc' in d


    

    
Out[27]:





True

In [28]:

    

0.1 in d


    

    
Out[28]:





False

In [29]:

    

b = True


    

In [30]:

    

if b:
    print "It's True!"
else:
    print "It's False!"


    

    




It's True!

In [31]:

    

b = False
c = True

if b:
    print "b is True!"
elif c:
    print "c is True!"
else:
    print "Both are False!"


    

    




c is True!

In [32]:

    

b = False
c = False
if b:
    print "b is True!"
elif c:
    print "c is True!"
else:
    print "Both are False!"


    

    




Both are False!

In [33]:

    

d = {1:'1', 'abc':0.1, 0.4:80}
for k in d:
    print k, ":", d[k]


    

    




1 : 1
abc : 0.1
0.4 : 80

In [34]:

    

def foo(x):
    return x ** 2

foo(8.0)


    

    
Out[34]:





64.0

In [35]:

    

import math
math.exp(2)


    

    
Out[35]:





7.38905609893065

In [36]:

    

from math import exp
exp(2)


    

    
Out[36]:





7.38905609893065

In [37]:

    

from math import exp as ep
ep(2)


    

    
Out[37]:





7.38905609893065

In [ ]: